#2549B3#2549B3

#2549B3 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.8% C 0.174 H 265.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#2549B3
RGB	rgb(37, 73, 179)
HSL	hsl(225, 66%, 42%)
HSV	hsv(225, 79%, 70%)
CMYK	cmyk(79.3%, 59.2%, 0%, 29.8%)
CIE-LAB	lab(34.83, 26.63, -59.86)
CIE-LCH	lch(34.83, 65.52, 293.98°)
OKLab	oklab(44.81% -0.0138 -0.173)
OKLCH	oklch(44.81% 0.174 265.4)
XYZ	xyz(11.2793, 8.4118, 43.6683)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2549B3 #B38F25

analogous

#2590B3 #2549B3 #4825B3

triadic

#2549B3 #B32549 #49B325

tetradic

#2549B3 #B32590 #B38F25 #25B348

square

#2549B3 #B32590 #B38F25 #25B348

split-complementary

#2549B3 #B34825 #90B325

monochromatic

#10204E #1B3480 #2549B3 #3E65D7 #718DE2

Accessibility & contrast

On white

7.83

#2549B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#2549B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2549B3

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2549B3	#FFFFFF	#000000	##FFFFFF
##2549B3	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2549b3;
/* rgb */ color: rgb(37, 73, 179);
/* oklch */ color: oklch(44.8% 0.174 265.4);

Tailwind

colors: {
  custom: {
    50: '#777bcb',
    500: '#2549b3',
    950: '#000000',
  },
}

SCSS

$custom: #2549b3;
$custom-light: #777bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2549b3",
  "rgb": {
    "r": 37,
    "g": 73,
    "b": 179
  },
  "hsl": {
    "h": 224.789,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.44805,
    "c": 0.17353,
    "h": 265.4
  },
  "luminance": 0.08413
}

Semantic roles & 50–950 ramp

primary

#2549B3

secondary

#C8B16B

accent

#BE3FE9

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2549B3

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

Preview Lab → · Contrast checker → · Palette generator →