#103851#103851

#103851 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.6% C 0.062 H 240.3°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#103851
RGB	rgb(16, 56, 81)
HSL	hsl(203, 67%, 19%)
HSV	hsv(203, 80%, 32%)
CMYK	cmyk(80.2%, 30.9%, 0%, 68.2%)
CIE-LAB	lab(22.06, -4.09, -19.18)
CIE-LCH	lch(22.06, 19.61, 257.97°)
OKLab	oklab(32.61% -0.0309 -0.0542)
OKLCH	oklch(32.61% 0.062 240.3)
XYZ	xyz(3.1125, 3.5322, 8.3007)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103851 #512910

analogous

#10514A #103851 #101851

triadic

#103851 #511038 #385110

tetradic

#103851 #4A1051 #512910 #185110

square

#103851 #4A1051 #512910 #185110

split-complementary

#103851 #511018 #514A10

monochromatic

#05121A #06151E #103851 #1A5B84 #247FB7

Accessibility & contrast

On white

12.31

#103851 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#103851 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103851

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103851	#FFFFFF	#000000	##FFFFFF
##103851	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3852

Deuteranopia (green-blind)

#233251

Tritanopia (blue-blind)

#003E41

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #103851;
/* rgb */ color: rgb(16, 56, 81);
/* oklch */ color: oklch(32.6% 0.062 240.3);

Tailwind

colors: {
  custom: {
    50: '#596e82',
    500: '#103851',
    950: '#000000',
  },
}

SCSS

$custom: #103851;
$custom-light: #596e82;
$custom-dark: #000000;

JSON

{
  "hex": "#103851",
  "rgb": {
    "r": 16,
    "g": 56,
    "b": 81
  },
  "hsl": {
    "h": 203.077,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.32606,
    "c": 0.06238,
    "h": 240.3
  },
  "luminance": 0.03533
}

Semantic roles & 50–950 ramp

primary

#103851

secondary

#8B5432

accent

#803EEA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #103851

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

Preview Lab → · Contrast checker → · Palette generator →