#2542AB#2542AB

#2542AB is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.7% C 0.171 H 266.8°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#2542AB
RGB	rgb(37, 66, 171)
HSL	hsl(227, 64%, 41%)
HSV	hsv(227, 78%, 67%)
CMYK	cmyk(78.4%, 61.4%, 0%, 32.9%)
CIE-LAB	lab(32.32, 28.22, -59.19)
CIE-LCH	lch(32.32, 65.57, 295.49°)
OKLab	oklab(42.73% -0.0095 -0.1711)
OKLCH	oklch(42.73% 0.171 266.8)
XYZ	xyz(10.0593, 7.2289, 39.3853)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2542AB #AB8E25

analogous

#2585AB #2542AB #4B25AB

triadic

#2542AB #AB2542 #42AB25

tetradic

#2542AB #AB2585 #AB8E25 #25AB4B

square

#2542AB #AB2585 #AB8E25 #25AB4B

split-complementary

#2542AB #AB4B25 #85AB25

monochromatic

#0F1B46 #1A2F79 #2542AB #395BD4 #6B84DF

Accessibility & contrast

On white

8.59

#2542AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2542AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2542AB

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2542AB	#FFFFFF	#000000	##FFFFFF
##2542AB	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AE

Deuteranopia (green-blind)

#0046A9

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2542ab;
/* rgb */ color: rgb(37, 66, 171);
/* oklch */ color: oklch(42.7% 0.171 266.8);

Tailwind

colors: {
  custom: {
    50: '#7576c5',
    500: '#2542ab',
    950: '#000000',
  },
}

SCSS

$custom: #2542ab;
$custom-light: #7576c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2542ab",
  "rgb": {
    "r": 37,
    "g": 66,
    "b": 171
  },
  "hsl": {
    "h": 227.015,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42731,
    "c": 0.17137,
    "h": 266.8
  },
  "luminance": 0.0723
}

Semantic roles & 50–950 ramp

primary

#2542AB

secondary

#C5B167

accent

#C340E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2542AB

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

Preview Lab → · Contrast checker → · Palette generator →