#253399#253399

#253399 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.2% C 0.165 H 270.2°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#253399
RGB	rgb(37, 51, 153)
HSL	hsl(233, 61%, 37%)
HSV	hsv(233, 76%, 60%)
CMYK	cmyk(75.8%, 66.7%, 0%, 40%)
CIE-LAB	lab(26.91, 31.36, -57.17)
CIE-LCH	lch(26.91, 65.21, 298.75°)
OKLab	oklab(38.24% 0.0006 -0.1654)
OKLCH	oklch(38.24% 0.165 270.2)
XYZ	xyz(7.6946, 5.0601, 30.7020)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253399 #998B25

analogous

#256D99 #253399 #512599

triadic

#253399 #992533 #339925

tetradic

#253399 #99256D #998B25 #259951

square

#253399 #99256D #998B25 #259951

split-complementary

#253399 #995125 #6D9925

monochromatic

#0D1236 #192368 #253399 #3143CA #606ED9

Accessibility & contrast

On white

10.44

#253399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#253399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253399

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253399	#FFFFFF	#000000	##FFFFFF
##253399	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003A97

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253399;
/* rgb */ color: rgb(37, 51, 153);
/* oklch */ color: oklch(38.2% 0.165 270.2);

Tailwind

colors: {
  custom: {
    50: '#726ab8',
    500: '#253399',
    950: '#000000',
  },
}

SCSS

$custom: #253399;
$custom-light: #726ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#253399",
  "rgb": {
    "r": 37,
    "g": 51,
    "b": 153
  },
  "hsl": {
    "h": 232.759,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38243,
    "c": 0.16536,
    "h": 270.2
  },
  "luminance": 0.05061
}

Semantic roles & 50–950 ramp

primary

#253399

secondary

#BEB25C

accent

#D144E4

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #253399

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

Preview Lab → · Contrast checker → · Palette generator →