#253F7C#253F7C

#253F7C is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.2% C 0.108 H 264.5°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#253F7C
RGB	rgb(37, 63, 124)
HSL	hsl(222, 54%, 32%)
HSV	hsv(222, 70%, 49%)
CMYK	cmyk(70.2%, 49.2%, 0%, 51.4%)
CIE-LAB	lab(27.85, 12.00, -37.67)
CIE-LCH	lch(27.85, 39.53, 287.68°)
OKLab	oklab(38.22% -0.0104 -0.1079)
OKLCH	oklch(38.22% 0.108 264.5)
XYZ	xyz(6.1773, 5.4030, 19.7822)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F7C #7C6225

analogous

#256B7C #253F7C #37257C

triadic

#253F7C #7C253F #3F7C25

tetradic

#253F7C #7C256B #7C6225 #257C37

square

#253F7C #7C256B #7C6225 #257C37

split-complementary

#253F7C #7C3725 #6B7C25

monochromatic

#090F1E #17274D #253F7C #3357AB #5075CB

Accessibility & contrast

On white

10.09

#253F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#253F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F7C

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F7C	#FFFFFF	#000000	##FFFFFF
##253F7C	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F467E

Deuteranopia (green-blind)

#0C3E7B

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253f7c;
/* rgb */ color: rgb(37, 63, 124);
/* oklch */ color: oklch(38.2% 0.108 264.5);

Tailwind

colors: {
  custom: {
    50: '#6a73a2',
    500: '#253f7c',
    950: '#000000',
  },
}

SCSS

$custom: #253f7c;
$custom-light: #6a73a2;
$custom-dark: #000000;

JSON

{
  "hex": "#253f7c",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 124
  },
  "hsl": {
    "h": 222.069,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38219,
    "c": 0.10839,
    "h": 264.5
  },
  "luminance": 0.05404
}

Semantic roles & 50–950 ramp

primary

#253F7C

secondary

#AE924F

accent

#B14ADD

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #253F7C

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

Preview Lab → · Contrast checker → · Palette generator →