#253BA9#253BA9

#253BA9 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.177 H 268.3°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#253BA9
RGB	rgb(37, 59, 169)
HSL	hsl(230, 64%, 40%)
HSV	hsv(230, 78%, 66%)
CMYK	cmyk(78.1%, 65.1%, 0%, 33.7%)
CIE-LAB	lab(30.36, 32.08, -61.20)
CIE-LCH	lch(30.36, 69.10, 297.67°)
OKLab	oklab(41.23% -0.0051 -0.1771)
OKLCH	oklch(41.23% 0.177 268.3)
XYZ	xyz(9.4859, 6.3848, 38.2609)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253BA9 #A99325

analogous

#257DA9 #253BA9 #5125A9

triadic

#253BA9 #A9253B #3BA925

tetradic

#253BA9 #A9257D #A99325 #25A951

square

#253BA9 #A9257D #A99325 #25A951

split-complementary

#253BA9 #A95125 #7DA925

monochromatic

#0F1845 #1A2977 #253BA9 #3852D3 #6A7DDE

Accessibility & contrast

On white

9.22

#253BA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#253BA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253BA9

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253BA9	#FFFFFF	#000000	##FFFFFF
##253BA9	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAD

Deuteranopia (green-blind)

#0041A7

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #253ba9;
/* rgb */ color: rgb(37, 59, 169);
/* oklch */ color: oklch(41.2% 0.177 268.3);

Tailwind

colors: {
  custom: {
    50: '#7671c4',
    500: '#253ba9',
    950: '#000000',
  },
}

SCSS

$custom: #253ba9;
$custom-light: #7671c4;
$custom-dark: #000000;

JSON

{
  "hex": "#253ba9",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 169
  },
  "hsl": {
    "h": 230,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41229,
    "c": 0.17713,
    "h": 268.3
  },
  "luminance": 0.06386
}

Semantic roles & 50–950 ramp

primary

#253BA9

secondary

#C4B565

accent

#CB41E7

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #253BA9

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

Preview Lab → · Contrast checker → · Palette generator →