#13237E#13237E

#13237E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.153 H 267.7°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#13237E
RGB	rgb(19, 35, 126)
HSL	hsl(231, 74%, 28%)
HSV	hsv(231, 85%, 49%)
CMYK	cmyk(84.9%, 72.2%, 0%, 50.6%)
CIE-LAB	lab(19.42, 30.00, -52.70)
CIE-LCH	lch(19.42, 60.64, 299.65°)
OKLab	oklab(31.74% -0.0061 -0.1527)
OKLCH	oklch(31.74% 0.153 267.7)
XYZ	xyz(4.6342, 2.8463, 20.0398)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13237E #7E6E13

analogous

#13587E #13237E #38137E

triadic

#13237E #7E1323 #237E13

tetradic

#13237E #7E1358 #7E6E13 #137E38

square

#13237E #7E1358 #7E6E13 #137E38

split-complementary

#13237E #7E3813 #587E13

monochromatic

#04071B #0B1449 #13237E #1B32B3 #2C47DF

Accessibility & contrast

On white

13.38

#13237E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#13237E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13237E

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13237E	#FFFFFF	#000000	##FFFFFF
##13237E	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #13237e;
/* rgb */ color: rgb(19, 35, 126);
/* oklch */ color: oklch(31.7% 0.153 267.7);

Tailwind

colors: {
  custom: {
    50: '#675ea4',
    500: '#13237e',
    950: '#000000',
  },
}

SCSS

$custom: #13237e;
$custom-light: #675ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#13237e",
  "rgb": {
    "r": 19,
    "g": 35,
    "b": 126
  },
  "hsl": {
    "h": 231.028,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31742,
    "c": 0.15284,
    "h": 267.7
  },
  "luminance": 0.02847
}

Semantic roles & 50–950 ramp

primary

#13237E

secondary

#B4A139

accent

#D537F0

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #13237E

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

Preview Lab → · Contrast checker → · Palette generator →