#254FA5#254FA5

#254FA5 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.9% C 0.147 H 262.5°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#254FA5
RGB	rgb(37, 79, 165)
HSL	hsl(220, 63%, 40%)
HSV	hsv(220, 78%, 65%)
CMYK	cmyk(77.6%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(35.40, 17.19, -50.59)
CIE-LCH	lch(35.40, 53.43, 288.77°)
OKLab	oklab(44.9% -0.0192 -0.1456)
OKLCH	oklch(44.9% 0.147 262.5)
XYZ	xyz(10.3480, 8.7007, 36.7240)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254FA5 #A57B25

analogous

#258FA5 #254FA5 #3B25A5

triadic

#254FA5 #A5254F #4FA525

tetradic

#254FA5 #A5258F #A57B25 #25A53B

square

#254FA5 #A5258F #A57B25 #25A53B

split-complementary

#254FA5 #A53B25 #8FA525

monochromatic

#0F1F41 #1A3773 #254FA5 #3569D2 #678EDD

Accessibility & contrast

On white

7.66

#254FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#254FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254FA5

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254FA5	#FFFFFF	#000000	##FFFFFF
##254FA5	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1659A8

Deuteranopia (green-blind)

#004EA3

Tritanopia (blue-blind)

#006472

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #254fa5;
/* rgb */ color: rgb(37, 79, 165);
/* oklch */ color: oklch(44.9% 0.147 262.5);

Tailwind

colors: {
  custom: {
    50: '#737fc0',
    500: '#254fa5',
    950: '#000000',
  },
}

SCSS

$custom: #254fa5;
$custom-light: #737fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#254fa5",
  "rgb": {
    "r": 37,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 220.313,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44902,
    "c": 0.14689,
    "h": 262.5
  },
  "luminance": 0.08702
}

Semantic roles & 50–950 ramp

primary

#254FA5

secondary

#C3A363

accent

#B041E6

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #254FA5

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

Preview Lab → · Contrast checker → · Palette generator →