#254BB5#254BB5

#254BB5 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.174 H 265.0°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#254BB5
RGB	rgb(37, 75, 181)
HSL	hsl(224, 66%, 43%)
HSV	hsv(224, 80%, 71%)
CMYK	cmyk(79.6%, 58.6%, 0%, 29%)
CIE-LAB	lab(35.52, 26.07, -59.91)
CIE-LCH	lch(35.52, 65.34, 293.51°)
OKLab	oklab(45.37% -0.015 -0.1731)
OKLCH	oklch(45.37% 0.174 265)
XYZ	xyz(11.6166, 8.7603, 44.7858)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254BB5 #B58F25

analogous

#2593B5 #254BB5 #4725B5

triadic

#254BB5 #B5254B #4BB525

tetradic

#254BB5 #B52593 #B58F25 #25B547

square

#254BB5 #B52593 #B58F25 #25B547

split-complementary

#254BB5 #B54725 #93B525

monochromatic

#10214F #1B3682 #254BB5 #3F68D8 #7290E2

Accessibility & contrast

On white

7.63

#254BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#254BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254BB5

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254BB5	#FFFFFF	#000000	##FFFFFF
##254BB5	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB9

Deuteranopia (green-blind)

#004DB3

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #254bb5;
/* rgb */ color: rgb(37, 75, 181);
/* oklch */ color: oklch(45.4% 0.174 265.0);

Tailwind

colors: {
  custom: {
    50: '#777ccc',
    500: '#254bb5',
    950: '#000000',
  },
}

SCSS

$custom: #254bb5;
$custom-light: #777ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#254bb5",
  "rgb": {
    "r": 37,
    "g": 75,
    "b": 181
  },
  "hsl": {
    "h": 224.167,
    "s": 66.055,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45374,
    "c": 0.17375,
    "h": 265
  },
  "luminance": 0.08762
}

Semantic roles & 50–950 ramp

primary

#254BB5

secondary

#C9B16D

accent

#BC3FE9

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #254BB5

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

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