#253C71#253C71

#253C71 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.096 H 264.5°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#253C71
RGB	rgb(37, 60, 113)
HSL	hsl(222, 51%, 29%)
HSV	hsv(222, 67%, 44%)
CMYK	cmyk(67.3%, 46.9%, 0%, 55.7%)
CIE-LAB	lab(26.21, 9.80, -33.35)
CIE-LCH	lch(26.21, 34.76, 286.37°)
OKLab	oklab(36.72% -0.0091 -0.0953)
OKLCH	oklch(36.72% 0.096 264.5)
XYZ	xyz(5.3584, 4.8168, 16.2669)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C71 #715A25

analogous

#256271 #253C71 #342571

triadic

#253C71 #71253C #3C7125

tetradic

#253C71 #712562 #715A25 #257134

square

#253C71 #712562 #715A25 #257134

split-complementary

#253C71 #713425 #627125

monochromatic

#080C17 #162443 #253C71 #34549F #4C70C4

Accessibility & contrast

On white

10.70

#253C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#253C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C71

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C71	#FFFFFF	#000000	##FFFFFF
##253C71	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234273

Deuteranopia (green-blind)

#163B70

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253c71;
/* rgb */ color: rgb(37, 60, 113);
/* oklch */ color: oklch(36.7% 0.096 264.5);

Tailwind

colors: {
  custom: {
    50: '#68719a',
    500: '#253c71',
    950: '#000000',
  },
}

SCSS

$custom: #253c71;
$custom-light: #68719a;
$custom-dark: #000000;

JSON

{
  "hex": "#253c71",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 113
  },
  "hsl": {
    "h": 221.842,
    "s": 50.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36719,
    "c": 0.0957,
    "h": 264.5
  },
  "luminance": 0.04817
}

Semantic roles & 50–950 ramp

primary

#253C71

secondary

#A48A4E

accent

#B04EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253C71

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

Preview Lab → · Contrast checker → · Palette generator →