#103B4B#103B4B

#103B4B is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.1% C 0.054 H 226.9°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#103B4B
RGB	rgb(16, 59, 75)
HSL	hsl(196, 65%, 18%)
HSV	hsv(196, 79%, 29%)
CMYK	cmyk(78.7%, 21.3%, 0%, 70.6%)
CIE-LAB	lab(22.81, -8.46, -14.02)
CIE-LCH	lch(22.81, 16.38, 238.91°)
OKLab	oklab(33.11% -0.0368 -0.0393)
OKLCH	oklch(33.11% 0.054 226.9)
XYZ	xyz(3.0471, 3.7457, 7.2177)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103B4B #4B2010

analogous

#104B3D #103B4B #101D4B

triadic

#103B4B #4B103B #3B4B10

tetradic

#103B4B #3D104B #4B2010 #1D4B10

square

#103B4B #3D104B #4B2010 #1D4B10

split-complementary

#103B4B #4B101D #4B3D10

monochromatic

#051419 #051419 #103B4B #1B637D #268AB0

Accessibility & contrast

On white

12.01

#103B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#103B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B4B

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103B4B	#FFFFFF	#000000	##FFFFFF
##103B4B	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4C

Deuteranopia (green-blind)

#2A344B

Tritanopia (blue-blind)

#004040

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #103b4b;
/* rgb */ color: rgb(16, 59, 75);
/* oklch */ color: oklch(33.1% 0.054 226.9);

Tailwind

colors: {
  custom: {
    50: '#58717d',
    500: '#103b4b',
    950: '#000000',
  },
}

SCSS

$custom: #103b4b;
$custom-light: #58717d;
$custom-dark: #000000;

JSON

{
  "hex": "#103b4b",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 75
  },
  "hsl": {
    "h": 196.271,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.33105,
    "c": 0.05385,
    "h": 226.9
  },
  "luminance": 0.03746
}

Semantic roles & 50–950 ramp

primary

#103B4B

secondary

#854832

accent

#6D40E8

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #103B4B

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

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