#253E9D#253E9D

#253E9D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.157 H 267.5°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#253E9D
RGB	rgb(37, 62, 157)
HSL	hsl(228, 62%, 38%)
HSV	hsv(228, 76%, 62%)
CMYK	cmyk(76.4%, 60.5%, 0%, 38.4%)
CIE-LAB	lab(30.09, 25.55, -54.40)
CIE-LCH	lch(30.09, 60.10, 295.15°)
OKLab	oklab(40.7% -0.0069 -0.1571)
OKLCH	oklch(40.7% 0.157 267.5)
XYZ	xyz(8.5693, 6.2719, 32.6507)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E9D #9D8425

analogous

#257A9D #253E9D #48259D

triadic

#253E9D #9D253E #3E9D25

tetradic

#253E9D #9D257A #9D8425 #259D48

square

#253E9D #9D257A #9D8425 #259D48

split-complementary

#253E9D #9D4825 #7A9D25

monochromatic

#0E173A #192A6B #253E9D #3152CE #627BDA

Accessibility & contrast

On white

9.31

#253E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#253E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E9D

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E9D	#FFFFFF	#000000	##FFFFFF
##253E9D	1.00	9.31	2.25	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #253e9d;
/* rgb */ color: rgb(37, 62, 157);
/* oklch */ color: oklch(40.7% 0.157 267.5);

Tailwind

colors: {
  custom: {
    50: '#7273bb',
    500: '#253e9d',
    950: '#000000',
  },
}

SCSS

$custom: #253e9d;
$custom-light: #7273bb;
$custom-dark: #000000;

JSON

{
  "hex": "#253e9d",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 157
  },
  "hsl": {
    "h": 227.5,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40702,
    "c": 0.15727,
    "h": 267.5
  },
  "luminance": 0.06273
}

Semantic roles & 50–950 ramp

primary

#253E9D

secondary

#BFAB5E

accent

#C343E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #253E9D

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

Preview Lab → · Contrast checker → · Palette generator →