#253AA9#253AA9

#253AA9 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.178 H 268.5°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#253AA9
RGB	rgb(37, 58, 169)
HSL	hsl(230, 64%, 40%)
HSV	hsv(230, 78%, 66%)
CMYK	cmyk(78.1%, 65.7%, 0%, 33.7%)
CIE-LAB	lab(30.12, 32.74, -61.60)
CIE-LCH	lch(30.12, 69.76, 297.99°)
OKLab	oklab(41.05% -0.0046 -0.1783)
OKLCH	oklch(41.05% 0.178 268.5)
XYZ	xyz(9.4350, 6.2829, 38.2439)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253AA9 #A99425

analogous

#257CA9 #253AA9 #5225A9

triadic

#253AA9 #A9253A #3AA925

tetradic

#253AA9 #A9257C #A99425 #25A952

square

#253AA9 #A9257C #A99425 #25A952

split-complementary

#253AA9 #A95225 #7CA925

monochromatic

#0F1845 #1A2977 #253AA9 #3851D3 #6A7DDE

Accessibility & contrast

On white

9.31

#253AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#253AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253AA9

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253AA9	#FFFFFF	#000000	##FFFFFF
##253AA9	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAD

Deuteranopia (green-blind)

#0041A7

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #253aa9;
/* rgb */ color: rgb(37, 58, 169);
/* oklch */ color: oklch(41.0% 0.178 268.5);

Tailwind

colors: {
  custom: {
    50: '#7670c4',
    500: '#253aa9',
    950: '#000000',
  },
}

SCSS

$custom: #253aa9;
$custom-light: #7670c4;
$custom-dark: #000000;

JSON

{
  "hex": "#253aa9",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 169
  },
  "hsl": {
    "h": 230.455,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41047,
    "c": 0.17832,
    "h": 268.5
  },
  "luminance": 0.06284
}

Semantic roles & 50–950 ramp

primary

#253AA9

secondary

#C4B565

accent

#CD41E7

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #253AA9

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

Preview Lab → · Contrast checker → · Palette generator →