#253FA7#253FA7

#253FA7 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.170 H 267.4°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#253FA7
RGB	rgb(37, 63, 167)
HSL	hsl(228, 64%, 40%)
HSV	hsv(228, 78%, 65%)
CMYK	cmyk(77.8%, 62.3%, 0%, 34.5%)
CIE-LAB	lab(31.20, 28.69, -58.62)
CIE-LCH	lch(31.20, 65.27, 296.08°)
OKLab	oklab(41.79% -0.0075 -0.1695)
OKLCH	oklch(41.79% 0.17 267.4)
XYZ	xyz(9.5131, 6.7373, 37.3508)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253FA7 #A78D25

analogous

#2580A7 #253FA7 #4C25A7

triadic

#253FA7 #A7253F #3FA725

tetradic

#253FA7 #A72580 #A78D25 #25A74C

square

#253FA7 #A72580 #A78D25 #25A74C

split-complementary

#253FA7 #A74C25 #80A725

monochromatic

#0F1943 #1A2C75 #253FA7 #3756D3 #6980DE

Accessibility & contrast

On white

8.95

#253FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#253FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253FA7

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253FA7	#FFFFFF	#000000	##FFFFFF
##253FA7	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AA

Deuteranopia (green-blind)

#0043A5

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #253fa7;
/* rgb */ color: rgb(37, 63, 167);
/* oklch */ color: oklch(41.8% 0.170 267.4);

Tailwind

colors: {
  custom: {
    50: '#7573c2',
    500: '#253fa7',
    950: '#000000',
  },
}

SCSS

$custom: #253fa7;
$custom-light: #7573c2;
$custom-dark: #000000;

JSON

{
  "hex": "#253fa7",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 167
  },
  "hsl": {
    "h": 228,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.41793,
    "c": 0.16966,
    "h": 267.4
  },
  "luminance": 0.06738
}

Semantic roles & 50–950 ramp

primary

#253FA7

secondary

#C4B164

accent

#C641E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #253FA7

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

Preview Lab → · Contrast checker → · Palette generator →