#253A68#253A68

#253A68 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.6% C 0.084 H 264.1°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#253A68
RGB	rgb(37, 58, 104)
HSL	hsl(221, 48%, 28%)
HSV	hsv(221, 64%, 41%)
CMYK	cmyk(64.4%, 44.2%, 0%, 59.2%)
CIE-LAB	lab(25.01, 7.71, -29.50)
CIE-LCH	lch(25.01, 30.49, 284.65°)
OKLab	oklab(35.61% -0.0087 -0.084)
OKLCH	oklch(35.61% 0.084 264.1)
XYZ	xyz(4.7738, 4.4185, 13.6953)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A68 #685325

analogous

#255B68 #253A68 #312568

triadic

#253A68 #68253A #3A6825

tetradic

#253A68 #68255B #685325 #256831

square

#253A68 #68255B #685325 #256831

split-complementary

#253A68 #683125 #5B6825

monochromatic

#080D17 #15213B #253A68 #355395 #496EBE

Accessibility & contrast

On white

11.15

#253A68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#253A68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A68

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A68	#FFFFFF	#000000	##FFFFFF
##253A68	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263F6A

Deuteranopia (green-blind)

#1C3867

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #253a68;
/* rgb */ color: rgb(37, 58, 104);
/* oklch */ color: oklch(35.6% 0.084 264.1);

Tailwind

colors: {
  custom: {
    50: '#666f93',
    500: '#253a68',
    950: '#000000',
  },
}

SCSS

$custom: #253a68;
$custom-light: #666f93;
$custom-dark: #000000;

JSON

{
  "hex": "#253a68",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 104
  },
  "hsl": {
    "h": 221.194,
    "s": 47.518,
    "l": 27.647
  },
  "oklch": {
    "l": 0.3561,
    "c": 0.08443,
    "h": 264.1
  },
  "luminance": 0.04419
}

Semantic roles & 50–950 ramp

primary

#253A68

secondary

#9B834E

accent

#AD51D7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #253A68

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

Preview Lab → · Contrast checker → · Palette generator →