#103C58#103C58

#103C58 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.068 H 241.2°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#103C58
RGB	rgb(16, 60, 88)
HSL	hsl(203, 69%, 20%)
HSV	hsv(203, 82%, 35%)
CMYK	cmyk(81.8%, 31.8%, 0%, 65.5%)
CIE-LAB	lab(23.82, -3.89, -21.04)
CIE-LCH	lch(23.82, 21.39, 259.54°)
OKLab	oklab(34.13% -0.0327 -0.0595)
OKLCH	oklch(34.13% 0.068 241.2)
XYZ	xyz(3.5903, 4.0460, 9.8224)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103C58 #582C10

analogous

#105850 #103C58 #101858

triadic

#103C58 #58103C #3C5810

tetradic

#103C58 #501058 #582C10 #185810

square

#103C58 #501058 #582C10 #185810

split-complementary

#103C58 #581018 #585010

monochromatic

#05121A #071924 #103C58 #195F8C #2383C0

Accessibility & contrast

On white

11.61

#103C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#103C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103C58

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103C58	#FFFFFF	#000000	##FFFFFF
##103C58	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3C59

Deuteranopia (green-blind)

#253657

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103c58;
/* rgb */ color: rgb(16, 60, 88);
/* oklch */ color: oklch(34.1% 0.068 241.2);

Tailwind

colors: {
  custom: {
    50: '#5a7187',
    500: '#103c58',
    950: '#000000',
  },
}

SCSS

$custom: #103c58;
$custom-light: #5a7187;
$custom-dark: #000000;

JSON

{
  "hex": "#103c58",
  "rgb": {
    "r": 16,
    "g": 60,
    "b": 88
  },
  "hsl": {
    "h": 203.333,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34127,
    "c": 0.06793,
    "h": 241.2
  },
  "luminance": 0.04046
}

Semantic roles & 50–950 ramp

primary

#103C58

secondary

#915732

accent

#803CEC

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103C58

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

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