#253DA0#253DA0

#253DA0 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.163 H 267.8°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#253DA0
RGB	rgb(37, 61, 160)
HSL	hsl(228, 62%, 39%)
HSV	hsv(228, 77%, 63%)
CMYK	cmyk(76.9%, 61.9%, 0%, 37.3%)
CIE-LAB	lab(30.08, 27.36, -56.24)
CIE-LCH	lch(30.08, 62.54, 295.95°)
OKLab	oklab(40.77% -0.0062 -0.1625)
OKLCH	oklch(40.77% 0.163 267.8)
XYZ	xyz(8.7747, 6.2679, 33.9983)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253DA0 #A08825

analogous

#257AA0 #253DA0 #4A25A0

triadic

#253DA0 #A0253D #3DA025

tetradic

#253DA0 #A0257A #A08825 #25A04A

square

#253DA0 #A0257A #A08825 #25A04A

split-complementary

#253DA0 #A04A25 #7AA025

monochromatic

#0E173D #1A2A6E #253DA0 #3251D0 #647BDB

Accessibility & contrast

On white

9.32

#253DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#253DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253DA0

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253DA0	#FFFFFF	#000000	##FFFFFF
##253DA0	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00419E

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #253da0;
/* rgb */ color: rgb(37, 61, 160);
/* oklch */ color: oklch(40.8% 0.163 267.8);

Tailwind

colors: {
  custom: {
    50: '#7372bd',
    500: '#253da0',
    950: '#000000',
  },
}

SCSS

$custom: #253da0;
$custom-light: #7372bd;
$custom-dark: #000000;

JSON

{
  "hex": "#253da0",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 160
  },
  "hsl": {
    "h": 228.293,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40774,
    "c": 0.16264,
    "h": 267.8
  },
  "luminance": 0.06269
}

Semantic roles & 50–950 ramp

primary

#253DA0

secondary

#C1AE60

accent

#C642E6

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #253DA0

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

Preview Lab → · Contrast checker → · Palette generator →