#253EA0#253EA0

#253EA0 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.161 H 267.6°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#253EA0
RGB	rgb(37, 62, 160)
HSL	hsl(228, 62%, 39%)
HSV	hsv(228, 77%, 63%)
CMYK	cmyk(76.9%, 61.2%, 0%, 37.3%)
CIE-LAB	lab(30.34, 26.69, -55.81)
CIE-LCH	lch(30.34, 61.86, 295.56°)
OKLab	oklab(40.97% -0.0069 -0.1612)
OKLCH	oklch(40.97% 0.161 267.6)
XYZ	xyz(8.8285, 6.3757, 34.0162)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253EA0 #A08725

analogous

#257BA0 #253EA0 #4925A0

triadic

#253EA0 #A0253E #3EA025

tetradic

#253EA0 #A0257B #A08725 #25A049

square

#253EA0 #A0257B #A08725 #25A049

split-complementary

#253EA0 #A04925 #7BA025

monochromatic

#0E173D #1A2B6E #253EA0 #3252D0 #647CDB

Accessibility & contrast

On white

9.23

#253EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#253EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253EA0

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253EA0	#FFFFFF	#000000	##FFFFFF
##253EA0	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00429E

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #253ea0;
/* rgb */ color: rgb(37, 62, 160);
/* oklch */ color: oklch(41.0% 0.161 267.6);

Tailwind

colors: {
  custom: {
    50: '#7373bd',
    500: '#253ea0',
    950: '#000000',
  },
}

SCSS

$custom: #253ea0;
$custom-light: #7373bd;
$custom-dark: #000000;

JSON

{
  "hex": "#253ea0",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 160
  },
  "hsl": {
    "h": 227.805,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40969,
    "c": 0.1614,
    "h": 267.6
  },
  "luminance": 0.06377
}

Semantic roles & 50–950 ramp

primary

#253EA0

secondary

#C1AD60

accent

#C442E6

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #253EA0

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

Preview Lab → · Contrast checker → · Palette generator →