#103E4D#103E4D

#103E4D is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.055 H 223.9°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#103E4D
RGB	rgb(16, 62, 77)
HSL	hsl(195, 66%, 18%)
HSV	hsv(195, 79%, 30%)
CMYK	cmyk(79.2%, 19.5%, 0%, 69.8%)
CIE-LAB	lab(23.97, -9.58, -13.57)
CIE-LCH	lch(23.97, 16.61, 234.78°)
OKLab	oklab(34.06% -0.0395 -0.038)
OKLCH	oklch(34.06% 0.055 223.9)
XYZ	xyz(3.2753, 4.0909, 7.6367)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103E4D #4D1F10

analogous

#104D3D #103E4D #101F4D

triadic

#103E4D #4D103E #3E4D10

tetradic

#103E4D #3D104D #4D1F10 #1F4D10

square

#103E4D #3D104D #4D1F10 #1F4D10

split-complementary

#103E4D #4D101F #4D3D10

monochromatic

#051419 #05151A #103E4D #1B6780 #2590B2

Accessibility & contrast

On white

11.55

#103E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#103E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103E4D

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103E4D	#FFFFFF	#000000	##FFFFFF
##103E4D	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363C4E

Deuteranopia (green-blind)

#2D364D

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103e4d;
/* rgb */ color: rgb(16, 62, 77);
/* oklch */ color: oklch(34.1% 0.055 223.9);

Tailwind

colors: {
  custom: {
    50: '#58737e',
    500: '#103e4d',
    950: '#000000',
  },
}

SCSS

$custom: #103e4d;
$custom-light: #58737e;
$custom-dark: #000000;

JSON

{
  "hex": "#103e4d",
  "rgb": {
    "r": 16,
    "g": 62,
    "b": 77
  },
  "hsl": {
    "h": 194.754,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.34062,
    "c": 0.05477,
    "h": 223.9
  },
  "luminance": 0.04091
}

Semantic roles & 50–950 ramp

primary

#103E4D

secondary

#874732

accent

#693FE9

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #103E4D

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

Preview Lab → · Contrast checker → · Palette generator →