#253F7D#253F7D

#253F7D is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.110 H 264.6°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#253F7D
RGB	rgb(37, 63, 125)
HSL	hsl(222, 54%, 32%)
HSV	hsv(222, 70%, 49%)
CMYK	cmyk(70.4%, 49.6%, 0%, 51%)
CIE-LAB	lab(27.92, 12.40, -38.18)
CIE-LCH	lch(27.92, 40.14, 287.99°)
OKLab	oklab(38.29% -0.0103 -0.1094)
OKLCH	oklch(38.29% 0.11 264.6)
XYZ	xyz(6.2408, 5.4284, 20.1169)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F7D #7D6325

analogous

#256B7D #253F7D #37257D

triadic

#253F7D #7D253F #3F7D25

tetradic

#253F7D #7D256B #7D6325 #257D37

square

#253F7D #7D256B #7D6325 #257D37

split-complementary

#253F7D #7D3725 #6B7D25

monochromatic

#090F1F #17274E #253F7D #3357AC #5175CB

Accessibility & contrast

On white

10.07

#253F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#253F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F7D

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F7D	#FFFFFF	#000000	##FFFFFF
##253F7D	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E467F

Deuteranopia (green-blind)

#093E7C

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253f7d;
/* rgb */ color: rgb(37, 63, 125);
/* oklch */ color: oklch(38.3% 0.110 264.6);

Tailwind

colors: {
  custom: {
    50: '#6b73a3',
    500: '#253f7d',
    950: '#000000',
  },
}

SCSS

$custom: #253f7d;
$custom-light: #6b73a3;
$custom-dark: #000000;

JSON

{
  "hex": "#253f7d",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 125
  },
  "hsl": {
    "h": 222.273,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38294,
    "c": 0.10989,
    "h": 264.6
  },
  "luminance": 0.05429
}

Semantic roles & 50–950 ramp

primary

#253F7D

secondary

#AF934F

accent

#B24ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #253F7D

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

Preview Lab → · Contrast checker → · Palette generator →