#253B97#253B97

#253B97 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.153 H 268.2°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#253B97
RGB	rgb(37, 59, 151)
HSL	hsl(228, 61%, 37%)
HSV	hsv(228, 75%, 59%)
CMYK	cmyk(75.5%, 60.9%, 0%, 40.8%)
CIE-LAB	lab(28.79, 25.27, -52.88)
CIE-LCH	lch(28.79, 58.60, 295.54°)
OKLab	oklab(39.57% -0.0048 -0.1527)
OKLCH	oklch(39.57% 0.153 268.2)
XYZ	xyz(7.9109, 5.7548, 29.9660)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B97 #978125

analogous

#257497 #253B97 #482597

triadic

#253B97 #97253B #3B9725

tetradic

#253B97 #972574 #978125 #259748

square

#253B97 #972574 #978125 #259748

split-complementary

#253B97 #974825 #749725

monochromatic

#0D1535 #192866 #253B97 #314EC8 #5F76D8

Accessibility & contrast

On white

9.76

#253B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#253B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B97

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B97	#FFFFFF	#000000	##FFFFFF
##253B97	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#003F95

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #253b97;
/* rgb */ color: rgb(37, 59, 151);
/* oklch */ color: oklch(39.6% 0.153 268.2);

Tailwind

colors: {
  custom: {
    50: '#7170b6',
    500: '#253b97',
    950: '#000000',
  },
}

SCSS

$custom: #253b97;
$custom-light: #7170b6;
$custom-dark: #000000;

JSON

{
  "hex": "#253b97",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 151
  },
  "hsl": {
    "h": 228.421,
    "s": 60.638,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39575,
    "c": 0.15276,
    "h": 268.2
  },
  "luminance": 0.05756
}

Semantic roles & 50–950 ramp

primary

#253B97

secondary

#BDAA5B

accent

#C544E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #253B97

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

Preview Lab → · Contrast checker → · Palette generator →