#254CA5#254CA5

#254CA5 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.151 H 263.6°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#254CA5
RGB	rgb(37, 76, 165)
HSL	hsl(222, 63%, 40%)
HSV	hsv(222, 78%, 65%)
CMYK	cmyk(77.6%, 53.9%, 0%, 35.3%)
CIE-LAB	lab(34.55, 19.20, -51.97)
CIE-LCH	lch(34.55, 55.40, 290.28°)
OKLab	oklab(44.26% -0.0168 -0.1497)
OKLCH	oklch(44.26% 0.151 263.6)
XYZ	xyz(10.1365, 8.2777, 36.6535)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254CA5 #A57E25

analogous

#258CA5 #254CA5 #3E25A5

triadic

#254CA5 #A5254C #4CA525

tetradic

#254CA5 #A5258C #A57E25 #25A53E

square

#254CA5 #A5258C #A57E25 #25A53E

split-complementary

#254CA5 #A53E25 #8CA525

monochromatic

#0F1E41 #1A3573 #254CA5 #3565D2 #678BDD

Accessibility & contrast

On white

7.91

#254CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#254CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254CA5

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254CA5	#FFFFFF	#000000	##FFFFFF
##254CA5	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0657A8

Deuteranopia (green-blind)

#004CA3

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #254ca5;
/* rgb */ color: rgb(37, 76, 165);
/* oklch */ color: oklch(44.3% 0.151 263.6);

Tailwind

colors: {
  custom: {
    50: '#737dc0',
    500: '#254ca5',
    950: '#000000',
  },
}

SCSS

$custom: #254ca5;
$custom-light: #737dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#254ca5",
  "rgb": {
    "r": 37,
    "g": 76,
    "b": 165
  },
  "hsl": {
    "h": 221.719,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44258,
    "c": 0.15067,
    "h": 263.6
  },
  "luminance": 0.08279
}

Semantic roles & 50–950 ramp

primary

#254CA5

secondary

#C3A663

accent

#B441E6

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #254CA5

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

Preview Lab → · Contrast checker → · Palette generator →