#2541AA#2541AA

#2541AA is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.171 H 267.0°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#2541AA
RGB	rgb(37, 65, 170)
HSL	hsl(227, 64%, 41%)
HSV	hsv(227, 78%, 67%)
CMYK	cmyk(78.2%, 61.8%, 0%, 33.3%)
CIE-LAB	lab(31.98, 28.51, -59.15)
CIE-LCH	lch(31.98, 65.66, 295.73°)
OKLab	oklab(42.45% -0.0088 -0.171)
OKLCH	oklch(42.45% 0.171 267)
XYZ	xyz(9.9064, 7.0751, 38.8659)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2541AA #AA8E25

analogous

#2584AA #2541AA #4B25AA

triadic

#2541AA #AA2541 #41AA25

tetradic

#2541AA #AA2584 #AA8E25 #25AA4B

square

#2541AA #AA2584 #AA8E25 #25AA4B

split-complementary

#2541AA #AA4B25 #84AA25

monochromatic

#0F1B45 #1A2E78 #2541AA #3859D4 #6B83DF

Accessibility & contrast

On white

8.69

#2541AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2541AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2541AA

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2541AA	#FFFFFF	#000000	##FFFFFF
##2541AA	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AD

Deuteranopia (green-blind)

#0045A8

Tritanopia (blue-blind)

#005C6F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2541aa;
/* rgb */ color: rgb(37, 65, 170);
/* oklch */ color: oklch(42.4% 0.171 267.0);

Tailwind

colors: {
  custom: {
    50: '#7575c4',
    500: '#2541aa',
    950: '#000000',
  },
}

SCSS

$custom: #2541aa;
$custom-light: #7575c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2541aa",
  "rgb": {
    "r": 37,
    "g": 65,
    "b": 170
  },
  "hsl": {
    "h": 227.368,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42448,
    "c": 0.17125,
    "h": 267
  },
  "luminance": 0.07076
}

Semantic roles & 50–950 ramp

primary

#2541AA

secondary

#C5B166

accent

#C441E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2541AA

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

Preview Lab → · Contrast checker → · Palette generator →