#253BA7#253BA7

#253BA7 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.174 H 268.3°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#253BA7
RGB	rgb(37, 59, 167)
HSL	hsl(230, 64%, 40%)
HSV	hsv(230, 78%, 65%)
CMYK	cmyk(77.8%, 64.7%, 0%, 34.5%)
CIE-LAB	lab(30.18, 31.34, -60.29)
CIE-LCH	lch(30.18, 67.95, 297.46°)
OKLab	oklab(41.04% -0.0051 -0.1744)
OKLCH	oklch(41.04% 0.174 268.3)
XYZ	xyz(9.2995, 6.3102, 37.2796)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253BA7 #A79125

analogous

#257CA7 #253BA7 #5025A7

triadic

#253BA7 #A7253B #3BA725

tetradic

#253BA7 #A7257C #A79125 #25A750

square

#253BA7 #A7257C #A79125 #25A750

split-complementary

#253BA7 #A75025 #7CA725

monochromatic

#0F1843 #1A2975 #253BA7 #3751D3 #697DDE

Accessibility & contrast

On white

9.28

#253BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#253BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253BA7

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253BA7	#FFFFFF	#000000	##FFFFFF
##253BA7	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAA

Deuteranopia (green-blind)

#0041A5

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #253ba7;
/* rgb */ color: rgb(37, 59, 167);
/* oklch */ color: oklch(41.0% 0.174 268.3);

Tailwind

colors: {
  custom: {
    50: '#7570c2',
    500: '#253ba7',
    950: '#000000',
  },
}

SCSS

$custom: #253ba7;
$custom-light: #7570c2;
$custom-dark: #000000;

JSON

{
  "hex": "#253ba7",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 167
  },
  "hsl": {
    "h": 229.846,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.4104,
    "c": 0.17449,
    "h": 268.3
  },
  "luminance": 0.06311
}

Semantic roles & 50–950 ramp

primary

#253BA7

secondary

#C4B464

accent

#CB41E7

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #253BA7

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

Preview Lab → · Contrast checker → · Palette generator →