#254DAB#254DAB

#254DAB is a dark, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.158 H 263.8°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#254DAB
RGB	rgb(37, 77, 171)
HSL	hsl(222, 64%, 41%)
HSV	hsv(222, 78%, 67%)
CMYK	cmyk(78.4%, 55%, 0%, 32.9%)
CIE-LAB	lab(35.28, 20.87, -54.37)
CIE-LCH	lch(35.28, 58.24, 291.00°)
OKLab	oklab(44.95% -0.017 -0.1568)
OKLCH	oklch(44.95% 0.158 263.8)
XYZ	xyz(10.7649, 8.6401, 39.6205)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254DAB #AB8325

analogous

#2590AB #254DAB #4025AB

triadic

#254DAB #AB254D #4DAB25

tetradic

#254DAB #AB2590 #AB8325 #25AB40

square

#254DAB #AB2590 #AB8325 #25AB40

split-complementary

#254DAB #AB4025 #90AB25

monochromatic

#0F2046 #1A3679 #254DAB #3967D4 #6B8EDF

Accessibility & contrast

On white

7.70

#254DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#254DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254DAB

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254DAB	#FFFFFF	#000000	##FFFFFF
##254DAB	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AE

Deuteranopia (green-blind)

#004DA9

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #254dab;
/* rgb */ color: rgb(37, 77, 171);
/* oklch */ color: oklch(45.0% 0.158 263.8);

Tailwind

colors: {
  custom: {
    50: '#757ec5',
    500: '#254dab',
    950: '#000000',
  },
}

SCSS

$custom: #254dab;
$custom-light: #757ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#254dab",
  "rgb": {
    "r": 37,
    "g": 77,
    "b": 171
  },
  "hsl": {
    "h": 222.09,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44951,
    "c": 0.1577,
    "h": 263.8
  },
  "luminance": 0.08641
}

Semantic roles & 50–950 ramp

primary

#254DAB

secondary

#C5A967

accent

#B640E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #254DAB

Body copy rendered with the generated semantic roles for this colour.

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