#253BA0#253BA0

#253BA0 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.165 H 268.3°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#253BA0
RGB	rgb(37, 59, 160)
HSL	hsl(229, 62%, 39%)
HSV	hsv(229, 77%, 63%)
CMYK	cmyk(76.9%, 63.1%, 0%, 37.3%)
CIE-LAB	lab(29.56, 28.70, -57.09)
CIE-LCH	lch(29.56, 63.90, 296.69°)
OKLab	oklab(40.39% -0.0049 -0.165)
OKLCH	oklch(40.39% 0.165 268.3)
XYZ	xyz(8.6699, 6.0584, 33.9633)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253BA0 #A08A25

analogous

#2578A0 #253BA0 #4C25A0

triadic

#253BA0 #A0253B #3BA025

tetradic

#253BA0 #A02578 #A08A25 #25A04C

square

#253BA0 #A02578 #A08A25 #25A04C

split-complementary

#253BA0 #A04C25 #78A025

monochromatic

#0E163D #1A296E #253BA0 #324FD0 #6479DB

Accessibility & contrast

On white

9.49

#253BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#253BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253BA0

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253BA0	#FFFFFF	#000000	##FFFFFF
##253BA0	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)

#004CA3

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #253ba0;
/* rgb */ color: rgb(37, 59, 160);
/* oklch */ color: oklch(40.4% 0.165 268.3);

Tailwind

colors: {
  custom: {
    50: '#7370bd',
    500: '#253ba0',
    950: '#000000',
  },
}

SCSS

$custom: #253ba0;
$custom-light: #7370bd;
$custom-dark: #000000;

JSON

{
  "hex": "#253ba0",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 160
  },
  "hsl": {
    "h": 229.268,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40389,
    "c": 0.1651,
    "h": 268.3
  },
  "luminance": 0.06059
}

Semantic roles & 50–950 ramp

primary

#253BA0

secondary

#C1AF60

accent

#C842E6

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #253BA0

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

Preview Lab → · Contrast checker → · Palette generator →