#2390ED

Closest named color: Dark Sky Blue (#448EE4). oklch(64.2% 0.167 250), rgb(35, 144, 237).

Aa

Black text reads best on this color (6.28:1).

About this color

#2390ED is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.167 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.021 away. Black text reads best on it, at 6.28:1.

Hue familyBlues
Lightnessmedium-light (64%)
Chromavivid (0.167)
Temperaturecool
Nearest nameDark Sky Blue (#448EE4)
Black text6.28:1
White text3.34:1

Values

HEX#2390ED
RGBrgb(35, 144, 237)
HSLhsl(208, 85%, 53%)
OKLCHoklch(64.2% 0.167 250)

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 #2390ED 3.34:1 AA large text Lc -65.7 Content text, not long reading
Black text on #2390ED 6.28:1 AA Lc 43.8 Non-text elements, placeholder text
#2390ED text on white 3.34:1 AA large text Lc 60.3 Content text, not long reading
#2390ED text on black 6.28:1 AA Lc -41.4 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

    #F0F6FD

    oklch(97.1% 0.011 252.1)

  2. Step 100

    100

    #DEECFA

    oklch(93.7% 0.024 248.1)

  3. Step 200

    200

    #C3DCF7

    oklch(88.5% 0.046 250.4)

  4. Step 300

    300

    #98C5F4

    oklch(80.8% 0.082 250)

  5. Step 400

    400

    #5CA5EF

    oklch(70.6% 0.131 250.5)

  6. Step 500

    500 (this color)

    #2390ED

    oklch(64.2% 0.167 250)

  7. Step 600

    600

    #0076CB

    oklch(55.7% 0.158 250)

  8. Step 700

    700

    #0063AB

    oklch(49.2% 0.138 249.7)

  9. Step 800

    800

    #00518E

    oklch(42.8% 0.121 249.9)

  10. Step 900

    900

    #004377

    oklch(37.7% 0.106 249.9)

  11. Step 950

    950

    #052846

    oklch(27.1% 0.068 249.1)

Export this scale for Tailwind in the Tailwind colors tool

#2390ED 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)#6296F10.051
Deuteranopia (no green cones)#4184EB0.033
Tritanopia (no blue cones)#00A6B30.121
Achromatopsia (no color)#8C8C8C0.167

Harmonies

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

Complementary

The opposite hue (180°).

  • #2390ED

    #2390ED

    oklch(64.2% 0.167 250)

  • #C17B00

    #C17B00

    oklch(64.1% 0.139 70.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2390ED

    #2390ED

    oklch(64.2% 0.167 250)

  • #009CBD

    #009CBD

    oklch(64.1% 0.117 220)

  • #7B7DEF

    #7B7DEF

    oklch(64.2% 0.167 279.8)

Open the analogous palette in the generator

Split complementary

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

  • #2390ED

    #2390ED

    oklch(64.2% 0.167 250)

  • #DE6132

    #DE6132

    oklch(64.2% 0.168 39.9)

  • #A08D00

    #A08D00

    oklch(64.1% 0.133 99.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2390ED

    #2390ED

    oklch(64.2% 0.167 250)

  • #DE5975

    #DE5975

    oklch(64.2% 0.167 10.2)

  • #6A9F12

    #6A9F12

    oklch(64.1% 0.167 129.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2390ED

    #2390ED

    oklch(64.2% 0.167 250)

  • #CC5EAC

    #CC5EAC

    oklch(64.2% 0.166 340)

  • #C17B00

    #C17B00

    oklch(64.1% 0.139 70.2)

  • #00A76D

    #00A76D

    oklch(64.3% 0.146 159.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2390ED, closest first.

Similar named colors

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

Use #2390ED 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.