#131051#131051

#131051 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.113 H 275.2°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#131051
RGB	rgb(19, 16, 81)
HSL	hsl(243, 67%, 19%)
HSV	hsv(243, 80%, 32%)
CMYK	cmyk(76.5%, 80.2%, 0%, 68.2%)
CIE-LAB	lab(9.82, 25.31, -38.88)
CIE-LCH	lch(9.82, 46.39, 303.07°)
OKLab	oklab(23.34% 0.0102 -0.1124)
OKLCH	oklch(23.34% 0.113 275.2)
XYZ	xyz(1.9386, 1.1029, 7.8937)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131051 #4E5110

analogous

#102E51 #131051 #341051

triadic

#131051 #511310 #105113

tetradic

#131051 #51102E #4E5110 #105134

square

#131051 #51102E #4E5110 #105134

split-complementary

#131051 #513410 #2E5110

monochromatic

#06051A #07061E #131051 #1F1A84 #2B24B7

Accessibility & contrast

On white

17.20

#131051 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#131051 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131051

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131051	#FFFFFF	#000000	##FFFFFF
##131051	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E53

Deuteranopia (green-blind)

#001850

Tritanopia (blue-blind)

#00232F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #131051;
/* rgb */ color: rgb(19, 16, 81);
/* oklch */ color: oklch(23.3% 0.113 275.2);

Tailwind

colors: {
  custom: {
    50: '#5c4f83',
    500: '#131051',
    950: '#000000',
  },
}

SCSS

$custom: #131051;
$custom-light: #5c4f83;
$custom-dark: #000000;

JSON

{
  "hex": "#131051",
  "rgb": {
    "r": 19,
    "g": 16,
    "b": 81
  },
  "hsl": {
    "h": 242.769,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23344,
    "c": 0.11286,
    "h": 275.2
  },
  "luminance": 0.01103
}

Semantic roles & 50–950 ramp

primary

#131051

secondary

#878B32

accent

#EA3EE2

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #131051

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

Preview Lab → · Contrast checker → · Palette generator →