#254DB5#254DB5

#254DB5 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.8% C 0.171 H 264.5°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#254DB5
RGB	rgb(37, 77, 181)
HSL	hsl(223, 66%, 43%)
HSV	hsv(223, 80%, 71%)
CMYK	cmyk(79.6%, 57.5%, 0%, 29%)
CIE-LAB	lab(36.05, 24.74, -59.04)
CIE-LCH	lch(36.05, 64.02, 292.74°)
OKLab	oklab(45.78% -0.0163 -0.1705)
OKLCH	oklch(45.78% 0.171 264.5)
XYZ	xyz(11.7544, 9.0359, 44.8317)
Luminance	0.0904 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254DB5 #B58D25

analogous

#2595B5 #254DB5 #4525B5

triadic

#254DB5 #B5254D #4DB525

tetradic

#254DB5 #B52595 #B58D25 #25B545

square

#254DB5 #B52595 #B58D25 #25B545

split-complementary

#254DB5 #B54525 #95B525

monochromatic

#10224F #1B3782 #254DB5 #3F6AD8 #7291E2

Accessibility & contrast

On white

7.48

#254DB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#254DB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254DB5

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254DB5	#FFFFFF	#000000	##FFFFFF
##254DB5	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB9

Deuteranopia (green-blind)

#004EB3

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #254db5;
/* rgb */ color: rgb(37, 77, 181);
/* oklch */ color: oklch(45.8% 0.171 264.5);

Tailwind

colors: {
  custom: {
    50: '#777ecc',
    500: '#254db5',
    950: '#000000',
  },
}

SCSS

$custom: #254db5;
$custom-light: #777ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#254db5",
  "rgb": {
    "r": 37,
    "g": 77,
    "b": 181
  },
  "hsl": {
    "h": 223.333,
    "s": 66.055,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45775,
    "c": 0.17129,
    "h": 264.5
  },
  "luminance": 0.09037
}

Semantic roles & 50–950 ramp

primary

#254DB5

secondary

#C9AF6D

accent

#BA3FE9

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #254DB5

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

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