#253A9E#253A9E

#253A9E is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.164 H 268.5°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#253A9E
RGB	rgb(37, 58, 158)
HSL	hsl(230, 62%, 38%)
HSV	hsv(230, 77%, 62%)
CMYK	cmyk(76.6%, 63.3%, 0%, 38%)
CIE-LAB	lab(29.13, 28.61, -56.58)
CIE-LCH	lch(29.13, 63.40, 296.82°)
OKLab	oklab(40.02% -0.0042 -0.1636)
OKLCH	oklch(40.02% 0.164 268.5)
XYZ	xyz(8.4454, 5.8871, 33.0324)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A9E #9E8925

analogous

#25769E #253A9E #4C259E

triadic

#253A9E #9E253A #3A9E25

tetradic

#253A9E #9E2576 #9E8925 #259E4C

square

#253A9E #9E2576 #9E8925 #259E4C

split-complementary

#253A9E #9E4C25 #769E25

monochromatic

#0E163B #19286C #253A9E #314DCF #6378DA

Accessibility & contrast

On white

9.64

#253A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#253A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A9E

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A9E	#FFFFFF	#000000	##FFFFFF
##253A9E	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #253a9e;
/* rgb */ color: rgb(37, 58, 158);
/* oklch */ color: oklch(40.0% 0.164 268.5);

Tailwind

colors: {
  custom: {
    50: '#7370bc',
    500: '#253a9e',
    950: '#000000',
  },
}

SCSS

$custom: #253a9e;
$custom-light: #7370bc;
$custom-dark: #000000;

JSON

{
  "hex": "#253a9e",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 158
  },
  "hsl": {
    "h": 229.587,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40015,
    "c": 0.16361,
    "h": 268.5
  },
  "luminance": 0.05888
}

Semantic roles & 50–950 ramp

primary

#253A9E

secondary

#C0AF5F

accent

#C943E5

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #253A9E

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

Preview Lab → · Contrast checker → · Palette generator →