#253BAF#253BAF

#253BAF is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.185 H 268.3°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#253BAF
RGB	rgb(37, 59, 175)
HSL	hsl(230, 65%, 42%)
HSV	hsv(230, 79%, 69%)
CMYK	cmyk(78.9%, 66.3%, 0%, 31.4%)
CIE-LAB	lab(30.91, 34.31, -63.88)
CIE-LCH	lch(30.91, 72.52, 298.24°)
OKLab	oklab(41.8% -0.0054 -0.1849)
OKLCH	oklch(41.8% 0.185 268.3)
XYZ	xyz(10.0621, 6.6152, 41.2957)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253BAF #AF9925

analogous

#2580AF #253BAF #5425AF

triadic

#253BAF #AF253B #3BAF25

tetradic

#253BAF #AF2580 #AF9925 #25AF54

square

#253BAF #AF2580 #AF9925 #25AF54

split-complementary

#253BAF #AF5425 #80AF25

monochromatic

#10194A #1A2A7C #253BAF #3C54D6 #6E80E0

Accessibility & contrast

On white

9.04

#253BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#253BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253BAF

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253BAF	#FFFFFF	#000000	##FFFFFF
##253BAF	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB3

Deuteranopia (green-blind)

#0042AD

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #253baf;
/* rgb */ color: rgb(37, 59, 175);
/* oklch */ color: oklch(41.8% 0.185 268.3);

Tailwind

colors: {
  custom: {
    50: '#7771c8',
    500: '#253baf',
    950: '#000000',
  },
}

SCSS

$custom: #253baf;
$custom-light: #7771c8;
$custom-dark: #000000;

JSON

{
  "hex": "#253baf",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 175
  },
  "hsl": {
    "h": 230.435,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41802,
    "c": 0.185,
    "h": 268.3
  },
  "luminance": 0.06616
}

Semantic roles & 50–950 ramp

primary

#253BAF

secondary

#C7B869

accent

#CD40E8

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #253BAF

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

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