#418FEE

Closest named color: Dark Sky Blue (#448EE4). oklch(64.8% 0.162 255.1), rgb(65, 143, 238).

Aa

Black text reads best on this color (6.38:1).

About this color

#418FEE is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.162 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.015 away. Black text reads best on it, at 6.38:1.

Hue familyBlues
Lightnessmedium-light (65%)
Chromavivid (0.162)
Temperaturecool
Nearest nameDark Sky Blue (#448EE4)
Black text6.38:1
White text3.28:1

Values

HEX#418FEE
RGBrgb(65, 143, 238)
HSLhsl(213, 84%, 59%)
OKLCHoklch(64.8% 0.162 255.1)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #418FEE 3.28:1 AA large text Lc -65.3 Content text, not long reading
Black text on #418FEE 6.38:1 AA Lc 44.2 Non-text elements, placeholder text
#418FEE text on white 3.28:1 AA large text Lc 59.9 Large or bold text, headings
#418FEE text on black 6.38:1 AA Lc -41.9 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F1F6FD

    oklch(97.1% 0.011 256.7)

  2. Step 100

    100

    #E0EBF9

    oklch(93.6% 0.022 254.4)

  3. Step 200

    200

    #C6DBF6

    oklch(88.4% 0.044 254.8)

  4. Step 300

    300

    #9EC4F3

    oklch(80.9% 0.078 254)

  5. Step 400

    400

    #68A3EE

    oklch(70.7% 0.127 255.1)

  6. Step 500

    500 (this color)

    #418FEE

    oklch(64.8% 0.162 255.1)

  7. Step 600

    600

    #1071D7

    oklch(55.6% 0.177 255.2)

  8. Step 700

    700

    #005EB9

    oklch(49% 0.162 255.1)

  9. Step 800

    800

    #084D96

    oklch(42.6% 0.135 255.2)

  10. Step 900

    900

    #134178

    oklch(37.7% 0.106 255.4)

  11. Step 950

    950

    #0D2746

    oklch(27.1% 0.066 254.6)

Export this scale for Tailwind in the Tailwind colors tool

#418FEE with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#6296F20.038
Deuteranopia (no green cones)#4686EC0.023
Tritanopia (no blue cones)#00A5B30.124
Achromatopsia (no color)#8E8E8E0.162

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #418FEE

    #418FEE

    oklch(64.8% 0.162 255.1)

  • #BE8000

    #BE8000

    oklch(64.7% 0.137 75)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #418FEE

    #418FEE

    oklch(64.8% 0.162 255.1)

  • #009DC6

    #009DC6

    oklch(64.7% 0.123 224.9)

  • #867CEC

    #867CEC

    oklch(64.7% 0.163 284.9)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #418FEE

    #418FEE

    oklch(64.8% 0.162 255.1)

  • #DC682B

    #DC682B

    oklch(64.8% 0.162 45.1)

  • #9B9200

    #9B9200

    oklch(64.7% 0.137 105.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #418FEE

    #418FEE

    oklch(64.8% 0.162 255.1)

  • #DF5E6E

    #DF5E6E

    oklch(64.9% 0.161 15.2)

  • #60A331

    #60A331

    oklch(64.7% 0.161 135)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #418FEE

    #418FEE

    oklch(64.8% 0.162 255.1)

  • #D160A5

    #D160A5

    oklch(64.8% 0.163 345)

  • #BE8000

    #BE8000

    oklch(64.7% 0.137 75)

  • #00A879

    #00A879

    oklch(64.8% 0.137 164.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #418FEE, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #418FEE in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.