#2541AF#2541AF

#2541AF is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.178 H 267.1°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#2541AF
RGB	rgb(37, 65, 175)
HSL	hsl(228, 65%, 42%)
HSV	hsv(228, 79%, 69%)
CMYK	cmyk(78.9%, 62.9%, 0%, 31.4%)
CIE-LAB	lab(32.41, 30.40, -61.43)
CIE-LCH	lch(32.41, 68.54, 296.33°)
OKLab	oklab(42.9% -0.0089 -0.1777)
OKLCH	oklch(42.9% 0.178 267.1)
XYZ	xyz(10.3884, 7.2679, 41.4045)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2541AF #AF9325

analogous

#2586AF #2541AF #4E25AF

triadic

#2541AF #AF2541 #41AF25

tetradic

#2541AF #AF2586 #AF9325 #25AF4E

square

#2541AF #AF2586 #AF9325 #25AF4E

split-complementary

#2541AF #AF4E25 #86AF25

monochromatic

#101B4A #1A2E7C #2541AF #3C5BD6 #6E85E0

Accessibility & contrast

On white

8.56

#2541AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2541AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2541AF

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2541AF	#FFFFFF	#000000	##FFFFFF
##2541AF	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B3

Deuteranopia (green-blind)

#0046AD

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2541af;
/* rgb */ color: rgb(37, 65, 175);
/* oklch */ color: oklch(42.9% 0.178 267.1);

Tailwind

colors: {
  custom: {
    50: '#7775c8',
    500: '#2541af',
    950: '#000000',
  },
}

SCSS

$custom: #2541af;
$custom-light: #7775c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2541af",
  "rgb": {
    "r": 37,
    "g": 65,
    "b": 175
  },
  "hsl": {
    "h": 227.826,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42902,
    "c": 0.17792,
    "h": 267.1
  },
  "luminance": 0.07269
}

Semantic roles & 50–950 ramp

primary

#2541AF

secondary

#C7B469

accent

#C640E8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2541AF

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

Preview Lab → · Contrast checker → · Palette generator →