#10122B#10122B

#10122B is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.6% C 0.050 H 277.3°. Best body text is #FFFFFF at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#10122B
RGB	rgb(16, 18, 43)
HSL	hsl(236, 46%, 12%)
HSV	hsv(236, 63%, 17%)
CMYK	cmyk(62.8%, 58.1%, 0%, 83.1%)
CIE-LAB	lab(6.48, 7.54, -17.15)
CIE-LCH	lch(6.48, 18.73, 293.74°)
OKLab	oklab(19.59% 0.0063 -0.0493)
OKLCH	oklch(19.59% 0.05 277.3)
XYZ	xyz(0.8659, 0.7171, 2.3778)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10122B #2B2910

analogous

#10202B #10122B #1C102B

triadic

#10122B #2B1012 #122B10

tetradic

#10122B #2B1020 #2B2910 #102B1C

square

#10122B #2B1020 #2B2910 #102B1C

split-complementary

#10122B #2B1C10 #202B10

monochromatic

#080916 #080916 #10122B #212558 #313784

Accessibility & contrast

On white

18.37

#10122B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#10122B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10122B

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10122B	#FFFFFF	#000000	##FFFFFF
##10122B	1.00	18.37	1.14	18.37
#FFFFFF	18.37	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07152C

Deuteranopia (green-blind)

#05132A

Tritanopia (blue-blind)

#06171C

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #10122b;
/* rgb */ color: rgb(16, 18, 43);
/* oklch */ color: oklch(19.6% 0.050 277.3);

Tailwind

colors: {
  custom: {
    50: '#504f64',
    500: '#10122b',
    950: '#000000',
  },
}

SCSS

$custom: #10122b;
$custom-light: #504f64;
$custom-dark: #000000;

JSON

{
  "hex": "#10122b",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 43
  },
  "hsl": {
    "h": 235.556,
    "s": 45.763,
    "l": 11.569
  },
  "oklch": {
    "l": 0.19592,
    "c": 0.04971,
    "h": 277.3
  },
  "luminance": 0.00717
}

Semantic roles & 50–950 ramp

primary

#10122B

secondary

#646033

accent

#CC52D5

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020205

muted

#78787A

Preview Lab

Preview with #10122B

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

Preview Lab → · Contrast checker → · Palette generator →