#253C7C#253C7C

#253C7C is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.112 H 266.2°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#253C7C
RGB	rgb(37, 60, 124)
HSL	hsl(224, 54%, 32%)
HSV	hsv(224, 70%, 49%)
CMYK	cmyk(70.2%, 51.6%, 0%, 51.4%)
CIE-LAB	lab(26.96, 14.08, -39.10)
CIE-LCH	lch(26.96, 41.56, 289.81°)
OKLab	oklab(37.54% -0.0074 -0.1122)
OKLCH	oklch(37.54% 0.112 266.2)
XYZ	xyz(6.0156, 5.0797, 19.7283)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C7C #7C6525

analogous

#25687C #253C7C #3A257C

triadic

#253C7C #7C253C #3C7C25

tetradic

#253C7C #7C2568 #7C6525 #257C3A

square

#253C7C #7C2568 #7C6525 #257C3A

split-complementary

#253C7C #7C3A25 #687C25

monochromatic

#090E1E #17254D #253C7C #3353AB #5071CB

Accessibility & contrast

On white

10.42

#253C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#253C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C7C

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C7C	#FFFFFF	#000000	##FFFFFF
##253C7C	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18447E

Deuteranopia (green-blind)

#003C7B

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253c7c;
/* rgb */ color: rgb(37, 60, 124);
/* oklch */ color: oklch(37.5% 0.112 266.2);

Tailwind

colors: {
  custom: {
    50: '#6b71a2',
    500: '#253c7c',
    950: '#000000',
  },
}

SCSS

$custom: #253c7c;
$custom-light: #6b71a2;
$custom-dark: #000000;

JSON

{
  "hex": "#253c7c",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 124
  },
  "hsl": {
    "h": 224.138,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37538,
    "c": 0.1124,
    "h": 266.2
  },
  "luminance": 0.0508
}

Semantic roles & 50–950 ramp

primary

#253C7C

secondary

#AE954F

accent

#B74ADD

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253C7C

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

Preview Lab → · Contrast checker → · Palette generator →