#131640#131640

#131640 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.079 H 275.1°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#131640
RGB	rgb(19, 22, 64)
HSL	hsl(236, 54%, 16%)
HSV	hsv(236, 70%, 25%)
CMYK	cmyk(70.3%, 65.6%, 0%, 74.9%)
CIE-LAB	lab(9.66, 14.27, -27.29)
CIE-LCH	lch(9.66, 30.79, 297.61°)
OKLab	oklab(22.69% 0.007 -0.0784)
OKLCH	oklch(22.69% 0.079 275.1)
XYZ	xyz(1.4806, 1.0823, 4.9804)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131640 #403D13

analogous

#132D40 #131640 #271340

triadic

#131640 #401316 #164013

tetradic

#131640 #40132D #403D13 #134027

square

#131640 #40132D #403D13 #134027

split-complementary

#131640 #402713 #2D4013

monochromatic

#070818 #070818 #131640 #21266F #2F369E

Accessibility & contrast

On white

17.26

#131640 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#131640 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131640

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131640	#FFFFFF	#000000	##FFFFFF
##131640	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D41

Deuteranopia (green-blind)

#00193F

Tritanopia (blue-blind)

#002028

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #131640;
/* rgb */ color: rgb(19, 22, 64);
/* oklch */ color: oklch(22.7% 0.079 275.1);

Tailwind

colors: {
  custom: {
    50: '#575375',
    500: '#131640',
    950: '#000000',
  },
}

SCSS

$custom: #131640;
$custom-light: #575375;
$custom-dark: #000000;

JSON

{
  "hex": "#131640",
  "rgb": {
    "r": 19,
    "g": 22,
    "b": 64
  },
  "hsl": {
    "h": 236,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.22686,
    "c": 0.07874,
    "h": 275.1
  },
  "luminance": 0.01082
}

Semantic roles & 50–950 ramp

primary

#131640

secondary

#797436

accent

#D44ADE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #131640

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

Preview Lab → · Contrast checker → · Palette generator →