#253B7E#253B7E

#253B7E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.5% C 0.117 H 267.0°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#253B7E
RGB	rgb(37, 59, 126)
HSL	hsl(225, 55%, 32%)
HSV	hsv(225, 71%, 49%)
CMYK	cmyk(70.6%, 53.2%, 0%, 50.6%)
CIE-LAB	lab(26.81, 15.56, -40.60)
CIE-LCH	lch(26.81, 43.48, 290.97°)
OKLab	oklab(37.47% -0.0062 -0.1166)
OKLCH	oklch(37.47% 0.117 267)
XYZ	xyz(6.0915, 5.0270, 20.3839)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B7E #7E6825

analogous

#25677E #253B7E #3C257E

triadic

#253B7E #7E253B #3B7E25

tetradic

#253B7E #7E2567 #7E6825 #257E3C

square

#253B7E #7E2567 #7E6825 #257E3C

split-complementary

#253B7E #7E3C25 #677E25

monochromatic

#090F1F #17254F #253B7E #3351AD #5170CC

Accessibility & contrast

On white

10.47

#253B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#253B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B7E

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B7E	#FFFFFF	#000000	##FFFFFF
##253B7E	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124480

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253b7e;
/* rgb */ color: rgb(37, 59, 126);
/* oklch */ color: oklch(37.5% 0.117 267.0);

Tailwind

colors: {
  custom: {
    50: '#6b70a4',
    500: '#253b7e',
    950: '#000000',
  },
}

SCSS

$custom: #253b7e;
$custom-light: #6b70a4;
$custom-dark: #000000;

JSON

{
  "hex": "#253b7e",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 126
  },
  "hsl": {
    "h": 225.169,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37471,
    "c": 0.11674,
    "h": 267
  },
  "luminance": 0.05028
}

Semantic roles & 50–950 ramp

primary

#253B7E

secondary

#B0984F

accent

#B94ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253B7E

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

Preview Lab → · Contrast checker → · Palette generator →