#3A8FFE

Closest named color: Dodger Blue (#1E90FF). oklch(65.5% 0.184 256.6), rgb(58, 143, 254).

Aa

Black text reads best on this color (6.54:1).

About this color

#3A8FFE is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.184 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.013 away. Black text reads best on it, at 6.54:1.

Hue familyBlues
Lightnessmedium-light (66%)
Chromavivid (0.184)
Temperaturecool
Nearest nameDodger Blue (#1E90FF)
Black text6.54:1
White text3.21:1

Values

HEX#3A8FFE
RGBrgb(58, 143, 254)
HSLhsl(214, 99%, 61%)
OKLCHoklch(65.5% 0.184 256.6)

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 #3A8FFE 3.21:1 AA large text Lc -64.3 Content text, not long reading
Black text on #3A8FFE 6.54:1 AA Lc 45.2 Large or bold text, headings
#3A8FFE text on white 3.21:1 AA large text Lc 58.9 Large or bold text, headings
#3A8FFE text on black 6.54:1 AA Lc -42.9 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

    #F0F6FE

    oklch(97.1% 0.012 255.5)

  2. Step 100

    100

    #DFEBFC

    oklch(93.6% 0.026 257)

  3. Step 200

    200

    #C4DBFB

    oklch(88.5% 0.051 256.7)

  4. Step 300

    300

    #9BC3FB

    oklch(80.9% 0.091 256.9)

  5. Step 400

    400

    #62A2F9

    oklch(70.8% 0.144 256.5)

  6. Step 500

    500 (this color)

    #3A8FFE

    oklch(65.5% 0.184 256.6)

  7. Step 600

    600

    #006EE1

    oklch(55.5% 0.194 256.7)

  8. Step 700

    700

    #005CBF

    oklch(49% 0.172 256.8)

  9. Step 800

    800

    #004B9E

    oklch(42.6% 0.15 256.7)

  10. Step 900

    900

    #0B407F

    oklch(37.8% 0.119 256.2)

  11. Step 950

    950

    #0A264B

    oklch(27.1% 0.076 256.8)

Export this scale for Tailwind in the Tailwind colors tool

#3A8FFE 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)#5699FF0.037
Deuteranopia (no green cones)#2D87FC0.024
Tritanopia (no blue cones)#00A9BA0.140
Achromatopsia (no color)#9090900.184

Harmonies

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

Complementary

The opposite hue (180°).

  • #3A8FFE

    #3A8FFE

    oklch(65.5% 0.184 256.6)

  • #BF8300

    #BF8300

    oklch(65.4% 0.137 76.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3A8FFE

    #3A8FFE

    oklch(65.5% 0.184 256.6)

  • #009FCC

    #009FCC

    oklch(65.5% 0.126 226.9)

  • #8C7AFA

    #8C7AFA

    oklch(65.7% 0.184 286.6)

Open the analogous palette in the generator

Split complementary

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

  • #3A8FFE

    #3A8FFE

    oklch(65.5% 0.184 256.6)

  • #E66400

    #E66400

    oklch(65.5% 0.182 46.7)

  • #9C9500

    #9C9500

    oklch(65.5% 0.14 106.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3A8FFE

    #3A8FFE

    oklch(65.5% 0.184 256.6)

  • #EB5668

    #EB5668

    oklch(65.5% 0.184 16.7)

  • #55A920

    #55A920

    oklch(65.7% 0.184 136.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3A8FFE

    #3A8FFE

    oklch(65.5% 0.184 256.6)

  • #DC59A7

    #DC59A7

    oklch(65.5% 0.184 346.6)

  • #BF8300

    #BF8300

    oklch(65.4% 0.137 76.5)

  • #00AA7E

    #00AA7E

    oklch(65.5% 0.135 166.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3A8FFE, closest first.

Similar named colors

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

Use #3A8FFE 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.