#254CA3#254CA3

#254CA3 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.1% C 0.148 H 263.4°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#254CA3
RGB	rgb(37, 76, 163)
HSL	hsl(221, 63%, 39%)
HSV	hsv(221, 77%, 64%)
CMYK	cmyk(77.3%, 53.4%, 0%, 36.1%)
CIE-LAB	lab(34.41, 18.42, -51.01)
CIE-LCH	lch(34.41, 54.23, 289.86°)
OKLab	oklab(44.1% -0.017 -0.1469)
OKLCH	oklch(44.1% 0.148 263.4)
XYZ	xyz(9.9559, 8.2054, 35.7023)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254CA3 #A37C25

analogous

#258BA3 #254CA3 #3D25A3

triadic

#254CA3 #A3254C #4CA325

tetradic

#254CA3 #A3258B #A37C25 #25A33D

square

#254CA3 #A3258B #A37C25 #25A33D

split-complementary

#254CA3 #A33D25 #8BA325

monochromatic

#0E1D3F #1A3571 #254CA3 #3465D1 #668BDC

Accessibility & contrast

On white

7.95

#254CA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#254CA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254CA3

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254CA3	#FFFFFF	#000000	##FFFFFF
##254CA3	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D57A6

Deuteranopia (green-blind)

#004BA1

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #254ca3;
/* rgb */ color: rgb(37, 76, 163);
/* oklch */ color: oklch(44.1% 0.148 263.4);

Tailwind

colors: {
  custom: {
    50: '#737dbf',
    500: '#254ca3',
    950: '#000000',
  },
}

SCSS

$custom: #254ca3;
$custom-light: #737dbf;
$custom-dark: #000000;

JSON

{
  "hex": "#254ca3",
  "rgb": {
    "r": 37,
    "g": 76,
    "b": 163
  },
  "hsl": {
    "h": 221.429,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.44099,
    "c": 0.14788,
    "h": 263.4
  },
  "luminance": 0.08207
}

Semantic roles & 50–950 ramp

primary

#254CA3

secondary

#C2A462

accent

#B342E6

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #254CA3

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

Preview Lab → · Contrast checker → · Palette generator →