#253A87#253A87

#253A87 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.131 H 268.0°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#253A87
RGB	rgb(37, 58, 135)
HSL	hsl(227, 57%, 34%)
HSV	hsv(227, 73%, 53%)
CMYK	cmyk(72.6%, 57%, 0%, 47.1%)
CIE-LAB	lab(27.21, 19.76, -45.58)
CIE-LCH	lch(27.21, 49.68, 293.44°)
OKLab	oklab(37.99% -0.0045 -0.1313)
OKLCH	oklch(37.99% 0.131 268)
XYZ	xyz(6.6477, 5.1680, 23.5642)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A87 #877225

analogous

#256B87 #253A87 #412587

triadic

#253A87 #87253A #3A8725

tetradic

#253A87 #87256B #877225 #258741

square

#253A87 #87256B #877225 #258741

split-complementary

#253A87 #874125 #6B8725

monochromatic

#0B1127 #182557 #253A87 #324FB7 #5670D1

Accessibility & contrast

On white

10.33

#253A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#253A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A87

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A87	#FFFFFF	#000000	##FFFFFF
##253A87	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253a87;
/* rgb */ color: rgb(37, 58, 135);
/* oklch */ color: oklch(38.0% 0.131 268.0);

Tailwind

colors: {
  custom: {
    50: '#6d6fab',
    500: '#253a87',
    950: '#000000',
  },
}

SCSS

$custom: #253a87;
$custom-light: #6d6fab;
$custom-dark: #000000;

JSON

{
  "hex": "#253a87",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 135
  },
  "hsl": {
    "h": 227.143,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37987,
    "c": 0.13134,
    "h": 268
  },
  "luminance": 0.05169
}

Semantic roles & 50–950 ramp

primary

#253A87

secondary

#B5A053

accent

#C048E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253A87

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

Preview Lab → · Contrast checker → · Palette generator →