#253789#253789

#253789 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.138 H 269.2°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#253789
RGB	rgb(37, 55, 137)
HSL	hsl(229, 57%, 34%)
HSV	hsv(229, 73%, 54%)
CMYK	cmyk(73%, 59.9%, 0%, 46.3%)
CIE-LAB	lab(26.54, 22.60, -47.91)
CIE-LCH	lch(26.54, 52.98, 295.26°)
OKLab	oklab(37.54% -0.0019 -0.1382)
OKLCH	oklch(37.54% 0.138 269.2)
XYZ	xyz(6.6429, 4.9312, 24.2638)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253789 #897725

analogous

#256989 #253789 #452589

triadic

#253789 #892537 #378925

tetradic

#253789 #892569 #897725 #258945

square

#253789 #892569 #897725 #258945

split-complementary

#253789 #894525 #698925

monochromatic

#0B1029 #182459 #253789 #324AB9 #576DD2

Accessibility & contrast

On white

10.57

#253789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#253789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253789

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253789	#FFFFFF	#000000	##FFFFFF
##253789	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253789;
/* rgb */ color: rgb(37, 55, 137);
/* oklch */ color: oklch(37.5% 0.138 269.2);

Tailwind

colors: {
  custom: {
    50: '#6e6dac',
    500: '#253789',
    950: '#000000',
  },
}

SCSS

$custom: #253789;
$custom-light: #6e6dac;
$custom-dark: #000000;

JSON

{
  "hex": "#253789",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 137
  },
  "hsl": {
    "h": 229.2,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37536,
    "c": 0.13817,
    "h": 269.2
  },
  "luminance": 0.04932
}

Semantic roles & 50–950 ramp

primary

#253789

secondary

#B6A454

accent

#C547E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253789

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

Preview Lab → · Contrast checker → · Palette generator →