#253A91#253A91

#253A91 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.146 H 268.4°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#253A91
RGB	rgb(37, 58, 145)
HSL	hsl(228, 59%, 36%)
HSV	hsv(228, 74%, 57%)
CMYK	cmyk(74.5%, 60%, 0%, 43.1%)
CIE-LAB	lab(28.02, 23.64, -50.45)
CIE-LCH	lch(28.02, 55.72, 295.10°)
OKLab	oklab(38.85% -0.0041 -0.1456)
OKLCH	oklch(38.85% 0.146 268.4)
XYZ	xyz(7.3851, 5.4630, 27.4478)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A91 #917C25

analogous

#257091 #253A91 #462591

triadic

#253A91 #91253A #3A9125

tetradic

#253A91 #912570 #917C25 #259146

square

#253A91 #912570 #917C25 #259146

split-complementary

#253A91 #914625 #709125

monochromatic

#0C132F #192660 #253A91 #314EC2 #5B73D5

Accessibility & contrast

On white

10.03

#253A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#253A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A91

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A91	#FFFFFF	#000000	##FFFFFF
##253A91	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004794

Deuteranopia (green-blind)

#003D8F

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253a91;
/* rgb */ color: rgb(37, 58, 145);
/* oklch */ color: oklch(38.8% 0.146 268.4);

Tailwind

colors: {
  custom: {
    50: '#706fb2',
    500: '#253a91',
    950: '#000000',
  },
}

SCSS

$custom: #253a91;
$custom-light: #706fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#253a91",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 145
  },
  "hsl": {
    "h": 228.333,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38845,
    "c": 0.14564,
    "h": 268.4
  },
  "luminance": 0.05464
}

Semantic roles & 50–950 ramp

primary

#253A91

secondary

#BAA758

accent

#C445E3

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #253A91

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

Preview Lab → · Contrast checker → · Palette generator →