#131C90#131C90

#131C90 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.183 H 268.0°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#131C90
RGB	rgb(19, 28, 144)
HSL	hsl(236, 77%, 32%)
HSV	hsv(236, 87%, 56%)
CMYK	cmyk(86.8%, 80.6%, 0%, 43.5%)
CIE-LAB	lab(19.97, 40.85, -63.09)
CIE-LCH	lch(19.97, 75.16, 302.92°)
OKLab	oklab(32.75% -0.0064 -0.1828)
OKLCH	oklch(32.75% 0.183 268)
XYZ	xyz(5.7161, 2.9819, 26.6544)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C90 #908713

analogous

#135B90 #131C90 #491390

triadic

#131C90 #90131C #1C9013

tetradic

#131C90 #90135B #908713 #139049

square

#131C90 #90135B #908713 #139049

split-complementary

#131C90 #904913 #5B9013

monochromatic

#050724 #0C115A #131C90 #1A27C6 #3945E5

Accessibility & contrast

On white

13.15

#131C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#131C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C90

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C90	#FFFFFF	#000000	##FFFFFF
##131C90	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003793

Deuteranopia (green-blind)

#002A8E

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #131c90;
/* rgb */ color: rgb(19, 28, 144);
/* oklch */ color: oklch(32.7% 0.183 268.0);

Tailwind

colors: {
  custom: {
    50: '#6d5ab2',
    500: '#131c90',
    950: '#000000',
  },
}

SCSS

$custom: #131c90;
$custom-light: #6d5ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#131c90",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 144
  },
  "hsl": {
    "h": 235.68,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32745,
    "c": 0.18293,
    "h": 268
  },
  "luminance": 0.02983
}

Semantic roles & 50–950 ramp

primary

#131C90

secondary

#C4BA3B

accent

#E635F3

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #131C90

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

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