#253D7A#253D7A

#253D7A is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.108 H 265.4°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#253D7A
RGB	rgb(37, 61, 122)
HSL	hsl(223, 53%, 31%)
HSV	hsv(223, 70%, 48%)
CMYK	cmyk(69.7%, 50%, 0%, 52.2%)
CIE-LAB	lab(27.12, 12.61, -37.59)
CIE-LCH	lch(27.12, 39.65, 288.54°)
OKLab	oklab(37.61% -0.0087 -0.1077)
OKLCH	oklch(37.61% 0.108 265.4)
XYZ	xyz(5.9433, 5.1354, 19.0866)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D7A #7A6225

analogous

#25677A #253D7A #37257A

triadic

#253D7A #7A253D #3D7A25

tetradic

#253D7A #7A2567 #7A6225 #257A37

square

#253D7A #7A2567 #7A6225 #257A37

split-complementary

#253D7A #7A3725 #677A25

monochromatic

#090E1C #17264B #253D7A #3354A9 #5072CA

Accessibility & contrast

On white

10.36

#253D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#253D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D7A

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D7A	#FFFFFF	#000000	##FFFFFF
##253D7A	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D447C

Deuteranopia (green-blind)

#093C79

Tritanopia (blue-blind)

#004B55

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253d7a;
/* rgb */ color: rgb(37, 61, 122);
/* oklch */ color: oklch(37.6% 0.108 265.4);

Tailwind

colors: {
  custom: {
    50: '#6a72a1',
    500: '#253d7a',
    950: '#000000',
  },
}

SCSS

$custom: #253d7a;
$custom-light: #6a72a1;
$custom-dark: #000000;

JSON

{
  "hex": "#253d7a",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 122
  },
  "hsl": {
    "h": 223.059,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37612,
    "c": 0.10805,
    "h": 265.4
  },
  "luminance": 0.05136
}

Semantic roles & 50–950 ramp

primary

#253D7A

secondary

#AC924E

accent

#B44BDD

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #253D7A

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

Preview Lab → · Contrast checker → · Palette generator →