#2544A8#2544A8

#2544A8 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.165 H 266.2°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#2544A8
RGB	rgb(37, 68, 168)
HSL	hsl(226, 64%, 40%)
HSV	hsv(226, 78%, 66%)
CMYK	cmyk(78%, 59.5%, 0%, 34.1%)
CIE-LAB	lab(32.60, 25.74, -56.94)
CIE-LCH	lch(32.60, 62.49, 294.33°)
OKLab	oklab(42.86% -0.0108 -0.1645)
OKLCH	oklch(42.86% 0.165 266.2)
XYZ	xyz(9.8955, 7.3536, 37.9361)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2544A8 #A88925

analogous

#2585A8 #2544A8 #4825A8

triadic

#2544A8 #A82544 #44A825

tetradic

#2544A8 #A82585 #A88925 #25A848

square

#2544A8 #A82585 #A88925 #25A848

split-complementary

#2544A8 #A84825 #85A825

monochromatic

#0F1B44 #1A3076 #2544A8 #375CD3 #6985DE

Accessibility & contrast

On white

8.50

#2544A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2544A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2544A8

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2544A8	#FFFFFF	#000000	##FFFFFF
##2544A8	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AB

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#005D6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2544a8;
/* rgb */ color: rgb(37, 68, 168);
/* oklch */ color: oklch(42.9% 0.165 266.2);

Tailwind

colors: {
  custom: {
    50: '#7577c3',
    500: '#2544a8',
    950: '#000000',
  },
}

SCSS

$custom: #2544a8;
$custom-light: #7577c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2544a8",
  "rgb": {
    "r": 37,
    "g": 68,
    "b": 168
  },
  "hsl": {
    "h": 225.802,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.42859,
    "c": 0.16485,
    "h": 266.2
  },
  "luminance": 0.07355
}

Semantic roles & 50–950 ramp

primary

#2544A8

secondary

#C4AE65

accent

#C041E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2544A8

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

Preview Lab → · Contrast checker → · Palette generator →