#253C9A#253C9A

#253C9A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.156 H 268.0°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#253C9A
RGB	rgb(37, 60, 154)
HSL	hsl(228, 61%, 37%)
HSV	hsv(228, 76%, 60%)
CMYK	cmyk(76%, 61%, 0%, 39.6%)
CIE-LAB	lab(29.30, 25.74, -53.86)
CIE-LCH	lch(29.30, 59.70, 295.55°)
OKLab	oklab(40.04% -0.0055 -0.1555)
OKLCH	oklch(40.04% 0.156 268)
XYZ	xyz(8.2095, 5.9572, 31.2828)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C9A #9A8325

analogous

#25779A #253C9A #48259A

triadic

#253C9A #9A253C #3C9A25

tetradic

#253C9A #9A2577 #9A8325 #259A48

square

#253C9A #9A2577 #9A8325 #259A48

split-complementary

#253C9A #9A4825 #779A25

monochromatic

#0D1637 #192969 #253C9A #314FCB #6078D9

Accessibility & contrast

On white

9.58

#253C9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#253C9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C9A

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C9A	#FFFFFF	#000000	##FFFFFF
##253C9A	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9D

Deuteranopia (green-blind)

#004098

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #253c9a;
/* rgb */ color: rgb(37, 60, 154);
/* oklch */ color: oklch(40.0% 0.156 268.0);

Tailwind

colors: {
  custom: {
    50: '#7271b9',
    500: '#253c9a',
    950: '#000000',
  },
}

SCSS

$custom: #253c9a;
$custom-light: #7271b9;
$custom-dark: #000000;

JSON

{
  "hex": "#253c9a",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 154
  },
  "hsl": {
    "h": 228.205,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4004,
    "c": 0.15565,
    "h": 268
  },
  "luminance": 0.05958
}

Semantic roles & 50–950 ramp

primary

#253C9A

secondary

#BEAB5D

accent

#C543E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #253C9A

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

Preview Lab → · Contrast checker → · Palette generator →