#2541A6#2541A6

#2541A6 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.166 H 266.9°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#2541A6
RGB	rgb(37, 65, 166)
HSL	hsl(227, 64%, 40%)
HSV	hsv(227, 78%, 65%)
CMYK	cmyk(77.7%, 60.8%, 0%, 34.9%)
CIE-LAB	lab(31.64, 26.98, -57.31)
CIE-LCH	lch(31.64, 63.34, 295.21°)
OKLab	oklab(42.09% -0.0088 -0.1656)
OKLCH	oklch(42.09% 0.166 266.9)
XYZ	xyz(9.5338, 6.9260, 36.9034)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2541A6 #A68A25

analogous

#2581A6 #2541A6 #4A25A6

triadic

#2541A6 #A62541 #41A625

tetradic

#2541A6 #A62581 #A68A25 #25A64A

square

#2541A6 #A62581 #A68A25 #25A64A

split-complementary

#2541A6 #A64A25 #81A625

monochromatic

#0F1A42 #1A2D74 #2541A6 #3658D2 #6882DD

Accessibility & contrast

On white

8.80

#2541A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2541A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2541A6

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2541A6	#FFFFFF	#000000	##FFFFFF
##2541A6	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A9

Deuteranopia (green-blind)

#0045A4

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2541a6;
/* rgb */ color: rgb(37, 65, 166);
/* oklch */ color: oklch(42.1% 0.166 266.9);

Tailwind

colors: {
  custom: {
    50: '#7475c1',
    500: '#2541a6',
    950: '#000000',
  },
}

SCSS

$custom: #2541a6;
$custom-light: #7475c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2541a6",
  "rgb": {
    "r": 37,
    "g": 65,
    "b": 166
  },
  "hsl": {
    "h": 226.977,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.42091,
    "c": 0.16585,
    "h": 266.9
  },
  "luminance": 0.06927
}

Semantic roles & 50–950 ramp

primary

#2541A6

secondary

#C3AE64

accent

#C341E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2541A6

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

Preview Lab → · Contrast checker → · Palette generator →