#254EB4#254EB4

#254EB4 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.9% C 0.169 H 264.2°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#254EB4
RGB	rgb(37, 78, 180)
HSL	hsl(223, 66%, 43%)
HSV	hsv(223, 79%, 71%)
CMYK	cmyk(79.4%, 56.7%, 0%, 29.4%)
CIE-LAB	lab(36.24, 23.69, -58.14)
CIE-LCH	lch(36.24, 62.78, 292.17°)
OKLab	oklab(45.89% -0.0171 -0.1678)
OKLCH	oklch(45.89% 0.169 264.2)
XYZ	xyz(11.7226, 9.1360, 44.3168)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254EB4 #B48B25

analogous

#2596B4 #254EB4 #4325B4

triadic

#254EB4 #B4254E #4EB425

tetradic

#254EB4 #B42596 #B48B25 #25B443

square

#254EB4 #B42596 #B48B25 #25B443

split-complementary

#254EB4 #B44325 #96B425

monochromatic

#10224E #1B3881 #254EB4 #3F6BD7 #7192E2

Accessibility & contrast

On white

7.43

#254EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#254EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254EB4

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254EB4	#FFFFFF	#000000	##FFFFFF
##254EB4	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB7

Deuteranopia (green-blind)

#004FB2

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #254eb4;
/* rgb */ color: rgb(37, 78, 180);
/* oklch */ color: oklch(45.9% 0.169 264.2);

Tailwind

colors: {
  custom: {
    50: '#777fcb',
    500: '#254eb4',
    950: '#000000',
  },
}

SCSS

$custom: #254eb4;
$custom-light: #777fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#254eb4",
  "rgb": {
    "r": 37,
    "g": 78,
    "b": 180
  },
  "hsl": {
    "h": 222.797,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45894,
    "c": 0.16872,
    "h": 264.2
  },
  "luminance": 0.09137
}

Semantic roles & 50–950 ramp

primary

#254EB4

secondary

#C9AE6C

accent

#B83FE9

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #254EB4

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

Preview Lab → · Contrast checker → · Palette generator →