#10558D#10558D

#10558D is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 44.0% C 0.112 H 249.0°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#10558D
RGB	rgb(16, 85, 141)
HSL	hsl(207, 80%, 31%)
HSV	hsv(207, 89%, 55%)
CMYK	cmyk(88.7%, 39.7%, 0%, 44.7%)
CIE-LAB	lab(35.06, 1.45, -36.68)
CIE-LCH	lch(35.06, 36.71, 272.26°)
OKLab	oklab(43.97% -0.0402 -0.1048)
OKLCH	oklch(43.97% 0.112 249)
XYZ	xyz(8.2681, 8.5292, 26.4047)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10558D #8D4810

analogous

#108D86 #10558D #10168D

triadic

#10558D #8D1055 #558D10

tetradic

#10558D #86108D #8D4810 #168D10

square

#10558D #86108D #8D4810 #168D10

split-complementary

#10558D #8D1016 #8D8610

monochromatic

#04131F #0A3456 #10558D #1676C4 #3095E7

Accessibility & contrast

On white

7.76

#10558D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#10558D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10558D

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10558D	#FFFFFF	#000000	##FFFFFF
##10558D	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A588F

Deuteranopia (green-blind)

#264D8C

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #10558d;
/* rgb */ color: rgb(16, 85, 141);
/* oklch */ color: oklch(44.0% 0.112 249.0);

Tailwind

colors: {
  custom: {
    50: '#6884af',
    500: '#10558d',
    950: '#000000',
  },
}

SCSS

$custom: #10558d;
$custom-light: #6884af;
$custom-dark: #000000;

JSON

{
  "hex": "#10558d",
  "rgb": {
    "r": 16,
    "g": 85,
    "b": 141
  },
  "hsl": {
    "h": 206.88,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.43974,
    "c": 0.1123,
    "h": 249
  },
  "luminance": 0.0853
}

Semantic roles & 50–950 ramp

primary

#10558D

secondary

#C27537

accent

#8A32F6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #10558D

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

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