#254DA5#254DA5

#254DA5 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.5% C 0.149 H 263.2°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#254DA5
RGB	rgb(37, 77, 165)
HSL	hsl(221, 63%, 40%)
HSV	hsv(221, 78%, 65%)
CMYK	cmyk(77.6%, 53.3%, 0%, 35.3%)
CIE-LAB	lab(34.84, 18.53, -51.51)
CIE-LCH	lch(34.84, 54.74, 289.79°)
OKLab	oklab(44.47% -0.0176 -0.1484)
OKLCH	oklch(44.47% 0.149 263.2)
XYZ	xyz(10.2059, 8.4165, 36.6767)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254DA5 #A57D25

analogous

#258DA5 #254DA5 #3D25A5

triadic

#254DA5 #A5254D #4DA525

tetradic

#254DA5 #A5258D #A57D25 #25A53D

square

#254DA5 #A5258D #A57D25 #25A53D

split-complementary

#254DA5 #A53D25 #8DA525

monochromatic

#0F1E41 #1A3673 #254DA5 #3566D2 #678CDD

Accessibility & contrast

On white

7.83

#254DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#254DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254DA5

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254DA5	#FFFFFF	#000000	##FFFFFF
##254DA5	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D58A8

Deuteranopia (green-blind)

#004CA3

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #254da5;
/* rgb */ color: rgb(37, 77, 165);
/* oklch */ color: oklch(44.5% 0.149 263.2);

Tailwind

colors: {
  custom: {
    50: '#737ec0',
    500: '#254da5',
    950: '#000000',
  },
}

SCSS

$custom: #254da5;
$custom-light: #737ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#254da5",
  "rgb": {
    "r": 37,
    "g": 77,
    "b": 165
  },
  "hsl": {
    "h": 221.25,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44471,
    "c": 0.14941,
    "h": 263.2
  },
  "luminance": 0.08418
}

Semantic roles & 50–950 ramp

primary

#254DA5

secondary

#C3A563

accent

#B341E6

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #254DA5

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

Preview Lab → · Contrast checker → · Palette generator →