#254BB4#254BB4

#254BB4 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.3% C 0.172 H 265.0°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#254BB4
RGB	rgb(37, 75, 180)
HSL	hsl(224, 66%, 43%)
HSV	hsv(224, 79%, 71%)
CMYK	cmyk(79.4%, 58.3%, 0%, 29.4%)
CIE-LAB	lab(35.44, 25.68, -59.45)
CIE-LCH	lch(35.44, 64.76, 293.37°)
OKLab	oklab(45.29% -0.0151 -0.1718)
OKLCH	oklch(45.29% 0.172 265)
XYZ	xyz(11.5143, 8.7194, 44.2473)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254BB4 #B48E25

analogous

#2593B4 #254BB4 #4625B4

triadic

#254BB4 #B4254B #4BB425

tetradic

#254BB4 #B42593 #B48E25 #25B446

square

#254BB4 #B42593 #B48E25 #25B446

split-complementary

#254BB4 #B44625 #93B425

monochromatic

#10214E #1B3681 #254BB4 #3F67D7 #718FE2

Accessibility & contrast

On white

7.65

#254BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#254BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254BB4

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254BB4	#FFFFFF	#000000	##FFFFFF
##254BB4	1.00	7.65	2.74	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #254bb4;
/* rgb */ color: rgb(37, 75, 180);
/* oklch */ color: oklch(45.3% 0.172 265.0);

Tailwind

colors: {
  custom: {
    50: '#777ccb',
    500: '#254bb4',
    950: '#000000',
  },
}

SCSS

$custom: #254bb4;
$custom-light: #777ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#254bb4",
  "rgb": {
    "r": 37,
    "g": 75,
    "b": 180
  },
  "hsl": {
    "h": 224.056,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45288,
    "c": 0.17241,
    "h": 265
  },
  "luminance": 0.08721
}

Semantic roles & 50–950 ramp

primary

#254BB4

secondary

#C9B06C

accent

#BC3FE9

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #254BB4

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

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