#253A7B#253A7B

#253A7B is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.0% C 0.114 H 267.2°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#253A7B
RGB	rgb(37, 58, 123)
HSL	hsl(225, 54%, 31%)
HSV	hsv(225, 70%, 48%)
CMYK	cmyk(69.9%, 52.8%, 0%, 51.8%)
CIE-LAB	lab(26.30, 15.08, -39.54)
CIE-LCH	lch(26.30, 42.32, 290.88°)
OKLab	oklab(37.01% -0.0055 -0.1135)
OKLCH	oklch(37.01% 0.114 267.2)
XYZ	xyz(5.8499, 4.8489, 19.3627)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A7B #7B6625

analogous

#25657B #253A7B #3B257B

triadic

#253A7B #7B253A #3A7B25

tetradic

#253A7B #7B2565 #7B6625 #257B3B

square

#253A7B #7B2565 #7B6625 #257B3B

split-complementary

#253A7B #7B3B25 #657B25

monochromatic

#090E1D #17244C #253A7B #3350AA #506ECA

Accessibility & contrast

On white

10.66

#253A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#253A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A7B

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A7B	#FFFFFF	#000000	##FFFFFF
##253A7B	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14427D

Deuteranopia (green-blind)

#003B7A

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253a7b;
/* rgb */ color: rgb(37, 58, 123);
/* oklch */ color: oklch(37.0% 0.114 267.2);

Tailwind

colors: {
  custom: {
    50: '#6a6fa2',
    500: '#253a7b',
    950: '#000000',
  },
}

SCSS

$custom: #253a7b;
$custom-light: #6a6fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#253a7b",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 123
  },
  "hsl": {
    "h": 225.349,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37013,
    "c": 0.11362,
    "h": 267.2
  },
  "luminance": 0.04849
}

Semantic roles & 50–950 ramp

primary

#253A7B

secondary

#AD964F

accent

#B94BDD

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253A7B

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

Preview Lab → · Contrast checker → · Palette generator →