#13307C#13307C

#13307C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.1% C 0.134 H 264.4°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#13307C
RGB	rgb(19, 48, 124)
HSL	hsl(223, 73%, 28%)
HSV	hsv(223, 85%, 49%)
CMYK	cmyk(84.7%, 61.3%, 0%, 51.4%)
CIE-LAB	lab(22.68, 20.16, -46.08)
CIE-LCH	lch(22.68, 50.30, 293.63°)
OKLab	oklab(34.08% -0.0131 -0.1332)
OKLCH	oklch(34.08% 0.134 264.4)
XYZ	xyz(4.9623, 3.7070, 19.5189)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13307C #7C5F13

analogous

#13647C #13307C #2B137C

triadic

#13307C #7C1330 #307C13

tetradic

#13307C #7C1364 #7C5F13 #137C2B

square

#13307C #7C1364 #7C5F13 #137C2B

split-complementary

#13307C #7C2B13 #647C13

monochromatic

#040A1B #0B1B47 #13307C #1B45B1 #2B5DDF

Accessibility & contrast

On white

12.06

#13307C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#13307C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13307C

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13307C	#FFFFFF	#000000	##FFFFFF
##13307C	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7F

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #13307c;
/* rgb */ color: rgb(19, 48, 124);
/* oklch */ color: oklch(34.1% 0.134 264.4);

Tailwind

colors: {
  custom: {
    50: '#6567a3',
    500: '#13307c',
    950: '#000000',
  },
}

SCSS

$custom: #13307c;
$custom-light: #6567a3;
$custom-dark: #000000;

JSON

{
  "hex": "#13307c",
  "rgb": {
    "r": 19,
    "g": 48,
    "b": 124
  },
  "hsl": {
    "h": 223.429,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34084,
    "c": 0.13389,
    "h": 264.4
  },
  "luminance": 0.03708
}

Semantic roles & 50–950 ramp

primary

#13307C

secondary

#B29039

accent

#BD38F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #13307C

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

Preview Lab → · Contrast checker → · Palette generator →