#103E4C#103E4C

#103E4C is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.0% C 0.054 H 222.3°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#103E4C
RGB	rgb(16, 62, 76)
HSL	hsl(194, 65%, 18%)
HSV	hsv(194, 79%, 30%)
CMYK	cmyk(78.9%, 18.4%, 0%, 70.2%)
CIE-LAB	lab(23.92, -9.96, -12.98)
CIE-LCH	lch(23.92, 16.36, 232.49°)
OKLab	oklab(34.01% -0.0399 -0.0363)
OKLCH	oklch(34.01% 0.054 222.3)
XYZ	xyz(3.2403, 4.0768, 7.4522)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103E4C #4C1E10

analogous

#104C3C #103E4C #10204C

triadic

#103E4C #4C103E #3E4C10

tetradic

#103E4C #3C104C #4C1E10 #204C10

square

#103E4C #3C104C #4C1E10 #204C10

split-complementary

#103E4C #4C1020 #4C3C10

monochromatic

#051519 #051519 #103E4C #1B677F #2590B1

Accessibility & contrast

On white

11.57

#103E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#103E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103E4C

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103E4C	#FFFFFF	#000000	##FFFFFF
##103E4C	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363C4D

Deuteranopia (green-blind)

#2E364C

Tritanopia (blue-blind)

#004242

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103e4c;
/* rgb */ color: rgb(16, 62, 76);
/* oklch */ color: oklch(34.0% 0.054 222.3);

Tailwind

colors: {
  custom: {
    50: '#58737e',
    500: '#103e4c',
    950: '#000000',
  },
}

SCSS

$custom: #103e4c;
$custom-light: #58737e;
$custom-dark: #000000;

JSON

{
  "hex": "#103e4c",
  "rgb": {
    "r": 16,
    "g": 62,
    "b": 76
  },
  "hsl": {
    "h": 194,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.3401,
    "c": 0.05394,
    "h": 222.3
  },
  "luminance": 0.04077
}

Semantic roles & 50–950 ramp

primary

#103E4C

secondary

#864632

accent

#6740E8

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #103E4C

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

Preview Lab → · Contrast checker → · Palette generator →