#253A90#253A90

#253A90 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.8% C 0.144 H 268.3°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#253A90
RGB	rgb(37, 58, 144)
HSL	hsl(228, 59%, 35%)
HSV	hsv(228, 74%, 56%)
CMYK	cmyk(74.3%, 59.7%, 0%, 43.5%)
CIE-LAB	lab(27.93, 23.25, -49.97)
CIE-LCH	lch(27.93, 55.12, 294.95°)
OKLab	oklab(38.76% -0.0042 -0.1442)
OKLCH	oklch(38.76% 0.144 268.3)
XYZ	xyz(7.3083, 5.4323, 27.0435)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A90 #907B25

analogous

#256F90 #253A90 #452590

triadic

#253A90 #90253A #3A9025

tetradic

#253A90 #90256F #907B25 #259045

square

#253A90 #90256F #907B25 #259045

split-complementary

#253A90 #904525 #6F9025

monochromatic

#0C132F #18265F #253A90 #324EC1 #5B73D5

Accessibility & contrast

On white

10.06

#253A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#253A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A90

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A90	#FFFFFF	#000000	##FFFFFF
##253A90	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#003D8E

Tritanopia (blue-blind)

#004F5F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253a90;
/* rgb */ color: rgb(37, 58, 144);
/* oklch */ color: oklch(38.8% 0.144 268.3);

Tailwind

colors: {
  custom: {
    50: '#6f6fb1',
    500: '#253a90',
    950: '#000000',
  },
}

SCSS

$custom: #253a90;
$custom-light: #6f6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#253a90",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 144
  },
  "hsl": {
    "h": 228.224,
    "s": 59.116,
    "l": 35.49
  },
  "oklch": {
    "l": 0.38757,
    "c": 0.14423,
    "h": 268.3
  },
  "luminance": 0.05433
}

Semantic roles & 50–950 ramp

primary

#253A90

secondary

#B9A657

accent

#C445E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #253A90

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

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