#10333D#10333D

#10333D is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.043 H 219.9°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#10333D
RGB	rgb(16, 51, 61)
HSL	hsl(193, 58%, 15%)
HSV	hsv(193, 74%, 24%)
CMYK	cmyk(73.8%, 16.4%, 0%, 76.1%)
CIE-LAB	lab(19.29, -8.75, -10.01)
CIE-LCH	lch(19.29, 13.29, 228.84°)
OKLab	oklab(30.07% -0.0333 -0.0279)
OKLCH	oklch(30.07% 0.043 219.9)
XYZ	xyz(2.2395, 2.8145, 4.8392)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10333D #3D1A10

analogous

#103D30 #10333D #101D3D

triadic

#10333D #3D1033 #333D10

tetradic

#10333D #30103D #3D1A10 #1D3D10

square

#10333D #30103D #3D1A10 #1D3D10

split-complementary

#10333D #3D101D #3D3010

monochromatic

#061418 #061418 #10333D #1D5C6D #29849E

Accessibility & contrast

On white

13.44

#10333D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#10333D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10333D

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10333D	#FFFFFF	#000000	##FFFFFF
##10333D	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D313E

Deuteranopia (green-blind)

#262D3D

Tritanopia (blue-blind)

#003636

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #10333d;
/* rgb */ color: rgb(16, 51, 61);
/* oklch */ color: oklch(30.1% 0.043 219.9);

Tailwind

colors: {
  custom: {
    50: '#556a72',
    500: '#10333d',
    950: '#000000',
  },
}

SCSS

$custom: #10333d;
$custom-light: #556a72;
$custom-dark: #000000;

JSON

{
  "hex": "#10333d",
  "rgb": {
    "r": 16,
    "g": 51,
    "b": 61
  },
  "hsl": {
    "h": 193.333,
    "s": 58.442,
    "l": 15.098
  },
  "oklch": {
    "l": 0.30067,
    "c": 0.04346,
    "h": 219.9
  },
  "luminance": 0.02815
}

Semantic roles & 50–950 ramp

primary

#10333D

secondary

#774132

accent

#6946E2

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #10333D

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

Preview Lab → · Contrast checker → · Palette generator →