#253D9A#253D9A

#253D9A is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.154 H 267.7°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#253D9A
RGB	rgb(37, 61, 154)
HSL	hsl(228, 61%, 37%)
HSV	hsv(228, 76%, 60%)
CMYK	cmyk(76%, 60.4%, 0%, 39.6%)
CIE-LAB	lab(29.57, 25.07, -53.43)
CIE-LCH	lch(29.57, 59.01, 295.14°)
OKLab	oklab(40.24% -0.0062 -0.1543)
OKLCH	oklch(40.24% 0.154 267.7)
XYZ	xyz(8.2624, 6.0630, 31.3004)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D9A #9A8225

analogous

#25789A #253D9A #47259A

triadic

#253D9A #9A253D #3D9A25

tetradic

#253D9A #9A2578 #9A8225 #259A47

square

#253D9A #9A2578 #9A8225 #259A47

split-complementary

#253D9A #9A4725 #789A25

monochromatic

#0D1637 #192969 #253D9A #3151CB #6079D9

Accessibility & contrast

On white

9.49

#253D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#253D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D9A

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D9A	#FFFFFF	#000000	##FFFFFF
##253D9A	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9D

Deuteranopia (green-blind)

#004098

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #253d9a;
/* rgb */ color: rgb(37, 61, 154);
/* oklch */ color: oklch(40.2% 0.154 267.7);

Tailwind

colors: {
  custom: {
    50: '#7272b9',
    500: '#253d9a',
    950: '#000000',
  },
}

SCSS

$custom: #253d9a;
$custom-light: #7272b9;
$custom-dark: #000000;

JSON

{
  "hex": "#253d9a",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 154
  },
  "hsl": {
    "h": 227.692,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40238,
    "c": 0.15439,
    "h": 267.7
  },
  "luminance": 0.06064
}

Semantic roles & 50–950 ramp

primary

#253D9A

secondary

#BEAA5D

accent

#C343E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #253D9A

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

Preview Lab → · Contrast checker → · Palette generator →