#149EF3

Closest named color: Chefchaouen Blue (#4895EF). oklch(67.5% 0.163 244.5), rgb(20, 158, 243).

Aa

Black text reads best on this color (7.21:1).

About this color

#149EF3 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.163 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.030 away. Black text reads best on it, at 7.21:1.

Hue familyBlues
Lightnessmedium-light (67%)
Chromavivid (0.163)
Temperaturecool
Nearest nameChefchaouen Blue (#4895EF)
Black text7.21:1
White text2.91:1

Values

HEX#149EF3
RGBrgb(20, 158, 243)
HSLhsl(203, 90%, 52%)
OKLCHoklch(67.5% 0.163 244.5)

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 #149EF3 2.91:1 Fails Lc -60.1 Content text, not long reading
Black text on #149EF3 7.21:1 AAA Lc 49.2 Large or bold text, headings
#149EF3 text on white 2.91:1 Fails Lc 54.8 Large or bold text, headings
#149EF3 text on black 7.21:1 AAA Lc -47.0 Large or bold text, headings

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 400.

  1. Step 50

    50

    #EEF7FE

    oklch(97.1% 0.013 241)

  2. Step 100

    100

    #DAEDFD

    oklch(93.7% 0.03 243.4)

  3. Step 200

    200

    #BADEFD

    oklch(88.5% 0.057 244.5)

  4. Step 300

    300

    #86C8FE

    oklch(80.9% 0.102 244.2)

  5. Step 400

    400 (this color)

    #149EF3

    oklch(67.5% 0.163 244.5)

  6. Step 500

    500

    #0090E1

    oklch(63.1% 0.158 244.7)

  7. Step 600

    600

    #0079BE

    oklch(55.6% 0.139 244.6)

  8. Step 700

    700

    #0066A0

    oklch(49.2% 0.121 244)

  9. Step 800

    800

    #005385

    oklch(42.7% 0.107 244.8)

  10. Step 900

    900

    #00456F

    oklch(37.6% 0.093 244.3)

  11. Step 950

    950

    #002945

    oklch(27.1% 0.068 244.5)

Export this scale for Tailwind in the Tailwind colors tool

#149EF3 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)#75A1F70.068
Deuteranopia (no green cones)#568FF10.048
Tritanopia (no blue cones)#00B3BD0.113
Achromatopsia (no color)#9797970.163

Harmonies

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

Complementary

The opposite hue (180°).

  • #149EF3

    #149EF3

    oklch(67.5% 0.163 244.5)

  • #D57F00

    #D57F00

    oklch(67.4% 0.152 64.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #149EF3

    #149EF3

    oklch(67.5% 0.163 244.5)

  • #00A9C4

    #00A9C4

    oklch(67.6% 0.119 214.4)

  • #7A8BFA

    #7A8BFA

    oklch(67.5% 0.164 274.6)

Open the analogous palette in the generator

Split complementary

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

  • #149EF3

    #149EF3

    oklch(67.5% 0.163 244.5)

  • #E96B4D

    #E96B4D

    oklch(67.5% 0.163 34.7)

  • #B29400

    #B29400

    oklch(67.4% 0.138 94.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #149EF3

    #149EF3

    oklch(67.5% 0.163 244.5)

  • #E6658A

    #E6658A

    oklch(67.5% 0.163 4.6)

  • #81A713

    #81A713

    oklch(67.6% 0.164 124.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #149EF3

    #149EF3

    oklch(67.5% 0.163 244.5)

  • #D16BBF

    #D16BBF

    oklch(67.4% 0.164 334.3)

  • #D57F00

    #D57F00

    oklch(67.4% 0.152 64.6)

  • #17B367

    #17B367

    oklch(67.5% 0.164 154.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #149EF3, closest first.

Similar named colors

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

Use #149EF3 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.