#254DA1#254DA1

#254DA1 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.2% C 0.144 H 262.8°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#254DA1
RGB	rgb(37, 77, 161)
HSL	hsl(221, 63%, 39%)
HSV	hsv(221, 77%, 63%)
CMYK	cmyk(77%, 52.2%, 0%, 36.9%)
CIE-LAB	lab(34.55, 16.97, -49.58)
CIE-LCH	lch(34.55, 52.40, 288.89°)
OKLab	oklab(44.16% -0.018 -0.1427)
OKLCH	oklch(44.16% 0.144 262.8)
XYZ	xyz(9.8475, 8.2732, 34.7892)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254DA1 #A17925

analogous

#258BA1 #254DA1 #3B25A1

triadic

#254DA1 #A1254D #4DA125

tetradic

#254DA1 #A1258B #A17925 #25A13B

square

#254DA1 #A1258B #A17925 #25A13B

split-complementary

#254DA1 #A13B25 #8BA125

monochromatic

#0E1D3D #1A356F #254DA1 #3366D0 #658BDC

Accessibility & contrast

On white

7.91

#254DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#254DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254DA1

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254DA1	#FFFFFF	#000000	##FFFFFF
##254DA1	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1657A4

Deuteranopia (green-blind)

#004C9F

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #254da1;
/* rgb */ color: rgb(37, 77, 161);
/* oklch */ color: oklch(44.2% 0.144 262.8);

Tailwind

colors: {
  custom: {
    50: '#727ebd',
    500: '#254da1',
    950: '#000000',
  },
}

SCSS

$custom: #254da1;
$custom-light: #727ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#254da1",
  "rgb": {
    "r": 37,
    "g": 77,
    "b": 161
  },
  "hsl": {
    "h": 220.645,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.44158,
    "c": 0.14382,
    "h": 262.8
  },
  "luminance": 0.08274
}

Semantic roles & 50–950 ramp

primary

#254DA1

secondary

#C1A261

accent

#B142E6

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #254DA1

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

Preview Lab → · Contrast checker → · Palette generator →