#253D9E#253D9E

#253D9E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.160 H 267.8°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#253D9E
RGB	rgb(37, 61, 158)
HSL	hsl(228, 62%, 38%)
HSV	hsv(228, 77%, 62%)
CMYK	cmyk(76.6%, 61.4%, 0%, 38%)
CIE-LAB	lab(29.91, 26.60, -55.31)
CIE-LCH	lch(29.91, 61.37, 295.69°)
OKLab	oklab(40.59% -0.0062 -0.1598)
OKLCH	oklch(40.59% 0.16 267.8)
XYZ	xyz(8.6011, 6.1985, 33.0842)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D9E #9E8625

analogous

#25799E #253D9E #49259E

triadic

#253D9E #9E253D #3D9E25

tetradic

#253D9E #9E2579 #9E8625 #259E49

square

#253D9E #9E2579 #9E8625 #259E49

split-complementary

#253D9E #9E4925 #799E25

monochromatic

#0E173B #192A6C #253D9E #3151CF #637BDA

Accessibility & contrast

On white

9.38

#253D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#253D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D9E

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D9E	#FFFFFF	#000000	##FFFFFF
##253D9E	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #253d9e;
/* rgb */ color: rgb(37, 61, 158);
/* oklch */ color: oklch(40.6% 0.160 267.8);

Tailwind

colors: {
  custom: {
    50: '#7372bb',
    500: '#253d9e',
    950: '#000000',
  },
}

SCSS

$custom: #253d9e;
$custom-light: #7372bb;
$custom-dark: #000000;

JSON

{
  "hex": "#253d9e",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 158
  },
  "hsl": {
    "h": 228.099,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40594,
    "c": 0.1599,
    "h": 267.8
  },
  "luminance": 0.06199
}

Semantic roles & 50–950 ramp

primary

#253D9E

secondary

#C0AD5F

accent

#C543E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #253D9E

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

Preview Lab → · Contrast checker → · Palette generator →