#253F74#253F74

#253F74 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.096 H 262.9°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#253F74
RGB	rgb(37, 63, 116)
HSL	hsl(220, 52%, 30%)
HSV	hsv(220, 68%, 45%)
CMYK	cmyk(68.1%, 45.7%, 0%, 54.5%)
CIE-LAB	lab(27.32, 8.89, -33.48)
CIE-LCH	lch(27.32, 34.63, 284.87°)
OKLab	oklab(37.64% -0.0119 -0.0956)
OKLCH	oklch(37.64% 0.096 262.9)
XYZ	xyz(5.6917, 5.2087, 17.2250)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F74 #745A25

analogous

#256774 #253F74 #322574

triadic

#253F74 #74253F #3F7425

tetradic

#253F74 #742567 #745A25 #257432

square

#253F74 #742567 #745A25 #257432

split-complementary

#253F74 #743225 #677425

monochromatic

#070D17 #162646 #253F74 #3458A2 #4D75C6

Accessibility & contrast

On white

10.29

#253F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#253F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F74

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F74	#FFFFFF	#000000	##FFFFFF
##253F74	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264476

Deuteranopia (green-blind)

#193D73

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253f74;
/* rgb */ color: rgb(37, 63, 116);
/* oklch */ color: oklch(37.6% 0.096 262.9);

Tailwind

colors: {
  custom: {
    50: '#69739c',
    500: '#253f74',
    950: '#000000',
  },
}

SCSS

$custom: #253f74;
$custom-light: #69739c;
$custom-dark: #000000;

JSON

{
  "hex": "#253f74",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 116
  },
  "hsl": {
    "h": 220.253,
    "s": 51.634,
    "l": 30
  },
  "oklch": {
    "l": 0.3764,
    "c": 0.0963,
    "h": 262.9
  },
  "luminance": 0.05209
}

Semantic roles & 50–950 ramp

primary

#253F74

secondary

#A78A4E

accent

#AC4DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #253F74

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

Preview Lab → · Contrast checker → · Palette generator →