#253D9C#253D9C

#253D9C is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.157 H 267.7°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#253D9C
RGB	rgb(37, 61, 156)
HSL	hsl(228, 62%, 38%)
HSV	hsv(228, 76%, 61%)
CMYK	cmyk(76.3%, 60.9%, 0%, 38.8%)
CIE-LAB	lab(29.74, 25.83, -54.37)
CIE-LCH	lch(29.74, 60.19, 295.42°)
OKLab	oklab(40.42% -0.0062 -0.157)
OKLCH	oklch(40.42% 0.157 267.7)
XYZ	xyz(8.4304, 6.1302, 32.1850)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D9C #9C8425

analogous

#25789C #253D9C #48259C

triadic

#253D9C #9C253D #3D9C25

tetradic

#253D9C #9C2578 #9C8425 #259C48

square

#253D9C #9C2578 #9C8425 #259C48

split-complementary

#253D9C #9C4825 #789C25

monochromatic

#0E1639 #192A6B #253D9C #3150CD #627ADA

Accessibility & contrast

On white

9.43

#253D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#253D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D9C

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D9C	#FFFFFF	#000000	##FFFFFF
##253D9C	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #253d9c;
/* rgb */ color: rgb(37, 61, 156);
/* oklch */ color: oklch(40.4% 0.157 267.7);

Tailwind

colors: {
  custom: {
    50: '#7272ba',
    500: '#253d9c',
    950: '#000000',
  },
}

SCSS

$custom: #253d9c;
$custom-light: #7272ba;
$custom-dark: #000000;

JSON

{
  "hex": "#253d9c",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 156
  },
  "hsl": {
    "h": 227.899,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40416,
    "c": 0.15715,
    "h": 267.7
  },
  "luminance": 0.06131
}

Semantic roles & 50–950 ramp

primary

#253D9C

secondary

#BFAB5E

accent

#C443E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #253D9C

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

Preview Lab → · Contrast checker → · Palette generator →