#253C7E#253C7E

#253C7E is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.7% C 0.115 H 266.4°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#253C7E
RGB	rgb(37, 60, 126)
HSL	hsl(224, 55%, 32%)
HSV	hsv(224, 71%, 49%)
CMYK	cmyk(70.6%, 52.4%, 0%, 50.6%)
CIE-LAB	lab(27.10, 14.87, -40.13)
CIE-LCH	lch(27.10, 42.79, 290.33°)
OKLab	oklab(37.69% -0.0072 -0.1152)
OKLCH	oklch(37.69% 0.115 266.4)
XYZ	xyz(6.1434, 5.1308, 20.4012)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C7E #7E6725

analogous

#25697E #253C7E #3A257E

triadic

#253C7E #7E253C #3C7E25

tetradic

#253C7E #7E2569 #7E6725 #257E3A

square

#253C7E #7E2569 #7E6725 #257E3A

split-complementary

#253C7E #7E3A25 #697E25

monochromatic

#090F1F #17254F #253C7E #3353AD #5171CC

Accessibility & contrast

On white

10.36

#253C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#253C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C7E

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C7E	#FFFFFF	#000000	##FFFFFF
##253C7E	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154480

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253c7e;
/* rgb */ color: rgb(37, 60, 126);
/* oklch */ color: oklch(37.7% 0.115 266.4);

Tailwind

colors: {
  custom: {
    50: '#6b71a4',
    500: '#253c7e',
    950: '#000000',
  },
}

SCSS

$custom: #253c7e;
$custom-light: #6b71a4;
$custom-dark: #000000;

JSON

{
  "hex": "#253c7e",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 126
  },
  "hsl": {
    "h": 224.494,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37693,
    "c": 0.1154,
    "h": 266.4
  },
  "luminance": 0.05131
}

Semantic roles & 50–950 ramp

primary

#253C7E

secondary

#B0974F

accent

#B84ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253C7E

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

Preview Lab → · Contrast checker → · Palette generator →