#253F7A#253F7A

#253F7A is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.1% C 0.105 H 264.1°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#253F7A
RGB	rgb(37, 63, 122)
HSL	hsl(222, 53%, 31%)
HSV	hsv(222, 70%, 48%)
CMYK	cmyk(69.7%, 48.4%, 0%, 52.2%)
CIE-LAB	lab(27.72, 11.22, -36.63)
CIE-LCH	lch(27.72, 38.31, 287.04°)
OKLab	oklab(38.07% -0.0107 -0.1048)
OKLCH	oklch(38.07% 0.105 264.1)
XYZ	xyz(6.0521, 5.3529, 19.1228)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F7A #7A6025

analogous

#25697A #253F7A #35257A

triadic

#253F7A #7A253F #3F7A25

tetradic

#253F7A #7A2569 #7A6025 #257A35

square

#253F7A #7A2569 #7A6025 #257A35

split-complementary

#253F7A #7A3525 #697A25

monochromatic

#090F1C #17274B #253F7A #3357A9 #5075CA

Accessibility & contrast

On white

10.14

#253F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#253F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F7A

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F7A	#FFFFFF	#000000	##FFFFFF
##253F7A	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21467C

Deuteranopia (green-blind)

#103E79

Tritanopia (blue-blind)

#004D56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253f7a;
/* rgb */ color: rgb(37, 63, 122);
/* oklch */ color: oklch(38.1% 0.105 264.1);

Tailwind

colors: {
  custom: {
    50: '#6a73a1',
    500: '#253f7a',
    950: '#000000',
  },
}

SCSS

$custom: #253f7a;
$custom-light: #6a73a1;
$custom-dark: #000000;

JSON

{
  "hex": "#253f7a",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 122
  },
  "hsl": {
    "h": 221.647,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.38071,
    "c": 0.10538,
    "h": 264.1
  },
  "luminance": 0.05353
}

Semantic roles & 50–950 ramp

primary

#253F7A

secondary

#AC904E

accent

#B04BDD

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #253F7A

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

Preview Lab → · Contrast checker → · Palette generator →