#253F97#253F97

#253F97 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.148 H 267.0°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#253F97
RGB	rgb(37, 63, 151)
HSL	hsl(226, 61%, 37%)
HSV	hsv(226, 75%, 59%)
CMYK	cmyk(75.5%, 58.3%, 0%, 40.8%)
CIE-LAB	lab(29.87, 22.55, -51.12)
CIE-LCH	lch(29.87, 55.87, 293.81°)
OKLab	oklab(40.38% -0.0078 -0.1474)
OKLCH	oklch(40.38% 0.148 267)
XYZ	xyz(8.1244, 6.1818, 30.0372)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F97 #977D25

analogous

#257897 #253F97 #442597

triadic

#253F97 #97253F #3F9725

tetradic

#253F97 #972578 #977D25 #259744

square

#253F97 #972578 #977D25 #259744

split-complementary

#253F97 #974425 #789725

monochromatic

#0D1635 #192A66 #253F97 #3154C8 #5F7AD8

Accessibility & contrast

On white

9.39

#253F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#253F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F97

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F97	#FFFFFF	#000000	##FFFFFF
##253F97	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004195

Tritanopia (blue-blind)

#005564

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #253f97;
/* rgb */ color: rgb(37, 63, 151);
/* oklch */ color: oklch(40.4% 0.148 267.0);

Tailwind

colors: {
  custom: {
    50: '#7173b6',
    500: '#253f97',
    950: '#000000',
  },
}

SCSS

$custom: #253f97;
$custom-light: #7173b6;
$custom-dark: #000000;

JSON

{
  "hex": "#253f97",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 151
  },
  "hsl": {
    "h": 226.316,
    "s": 60.638,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40383,
    "c": 0.14766,
    "h": 267
  },
  "luminance": 0.06183
}

Semantic roles & 50–950 ramp

primary

#253F97

secondary

#BDA65B

accent

#BF44E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #253F97

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

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