#2549B1#2549B1

#2549B1 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.171 H 265.3°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#2549B1
RGB	rgb(37, 73, 177)
HSL	hsl(225, 65%, 42%)
HSV	hsv(225, 79%, 69%)
CMYK	cmyk(79.1%, 58.8%, 0%, 30.6%)
CIE-LAB	lab(34.66, 25.86, -58.94)
CIE-LCH	lch(34.66, 64.36, 293.69°)
OKLab	oklab(44.63% -0.0139 -0.1703)
OKLCH	oklch(44.63% 0.171 265.3)
XYZ	xyz(11.0785, 8.3314, 42.6107)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2549B1 #B18D25

analogous

#258FB1 #2549B1 #4725B1

triadic

#2549B1 #B12549 #49B125

tetradic

#2549B1 #B1258F #B18D25 #25B147

square

#2549B1 #B1258F #B18D25 #25B147

split-complementary

#2549B1 #B14725 #8FB125

monochromatic

#101F4C #1A347E #2549B1 #3D64D6 #6F8DE1

Accessibility & contrast

On white

7.88

#2549B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2549B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2549B1

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2549B1	#FFFFFF	#000000	##FFFFFF
##2549B1	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B5

Deuteranopia (green-blind)

#004BAF

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2549b1;
/* rgb */ color: rgb(37, 73, 177);
/* oklch */ color: oklch(44.6% 0.171 265.3);

Tailwind

colors: {
  custom: {
    50: '#767bc9',
    500: '#2549b1',
    950: '#000000',
  },
}

SCSS

$custom: #2549b1;
$custom-light: #767bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2549b1",
  "rgb": {
    "r": 37,
    "g": 73,
    "b": 177
  },
  "hsl": {
    "h": 224.571,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44633,
    "c": 0.17084,
    "h": 265.3
  },
  "luminance": 0.08333
}

Semantic roles & 50–950 ramp

primary

#2549B1

secondary

#C8B06A

accent

#BD3FE8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2549B1

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

Preview Lab → · Contrast checker → · Palette generator →