#13255B#13255B

#13255B is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.6% C 0.100 H 266.2°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#13255B
RGB	rgb(19, 37, 91)
HSL	hsl(225, 65%, 22%)
HSV	hsv(225, 79%, 36%)
CMYK	cmyk(79.1%, 59.3%, 0%, 64.3%)
CIE-LAB	lab(16.59, 14.30, -34.58)
CIE-LCH	lch(16.59, 37.42, 292.46°)
OKLab	oklab(28.62% -0.0066 -0.0996)
OKLCH	oklch(28.62% 0.1 266.2)
XYZ	xyz(2.8178, 2.2166, 10.1748)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13255B #5B4913

analogous

#13495B #13255B #25135B

triadic

#13255B #5B1325 #255B13

tetradic

#13255B #5B1349 #5B4913 #135B25

square

#13255B #5B1349 #5B4913 #135B25

split-complementary

#13255B #5B2513 #495B13

monochromatic

#050A19 #081028 #13255B #1E3A8E #284EC0

Accessibility & contrast

On white

14.55

#13255B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#13255B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13255B

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13255B	#FFFFFF	#000000	##FFFFFF
##13255B	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5D

Deuteranopia (green-blind)

#00265A

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #13255b;
/* rgb */ color: rgb(19, 37, 91);
/* oklch */ color: oklch(28.6% 0.100 266.2);

Tailwind

colors: {
  custom: {
    50: '#5d5f8a',
    500: '#13255b',
    950: '#000000',
  },
}

SCSS

$custom: #13255b;
$custom-light: #5d5f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#13255b",
  "rgb": {
    "r": 19,
    "g": 37,
    "b": 91
  },
  "hsl": {
    "h": 225,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.28615,
    "c": 0.09986,
    "h": 266.2
  },
  "luminance": 0.02217
}

Semantic roles & 50–950 ramp

primary

#13255B

secondary

#937C37

accent

#BE3FE8

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #13255B

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

Preview Lab → · Contrast checker → · Palette generator →