#253AA8#253AA8

#253AA8 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.177 H 268.5°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#253AA8
RGB	rgb(37, 58, 168)
HSL	hsl(230, 64%, 40%)
HSV	hsv(230, 78%, 66%)
CMYK	cmyk(78%, 65.5%, 0%, 34.1%)
CIE-LAB	lab(30.02, 32.37, -61.15)
CIE-LCH	lch(30.02, 69.19, 297.89°)
OKLab	oklab(40.95% -0.0045 -0.1769)
OKLCH	oklch(40.95% 0.177 268.5)
XYZ	xyz(9.3414, 6.2455, 37.7514)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253AA8 #A89325

analogous

#257BA8 #253AA8 #5225A8

triadic

#253AA8 #A8253A #3AA825

tetradic

#253AA8 #A8257B #A89325 #25A852

square

#253AA8 #A8257B #A89325 #25A852

split-complementary

#253AA8 #A85225 #7BA825

monochromatic

#0F1744 #1A2976 #253AA8 #3750D3 #697CDE

Accessibility & contrast

On white

9.34

#253AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#253AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253AA8

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253AA8	#FFFFFF	#000000	##FFFFFF
##253AA8	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAB

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #253aa8;
/* rgb */ color: rgb(37, 58, 168);
/* oklch */ color: oklch(41.0% 0.177 268.5);

Tailwind

colors: {
  custom: {
    50: '#7570c3',
    500: '#253aa8',
    950: '#000000',
  },
}

SCSS

$custom: #253aa8;
$custom-light: #7570c3;
$custom-dark: #000000;

JSON

{
  "hex": "#253aa8",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 168
  },
  "hsl": {
    "h": 230.382,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40952,
    "c": 0.177,
    "h": 268.5
  },
  "luminance": 0.06247
}

Semantic roles & 50–950 ramp

primary

#253AA8

secondary

#C4B565

accent

#CC41E7

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #253AA8

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

Preview Lab → · Contrast checker → · Palette generator →