#10518D#10518D

#10518D is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 43.0% C 0.117 H 251.6°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#10518D
RGB	rgb(16, 81, 141)
HSL	hsl(209, 80%, 31%)
HSV	hsv(209, 89%, 55%)
CMYK	cmyk(88.7%, 42.6%, 0%, 44.7%)
CIE-LAB	lab(33.81, 4.08, -38.68)
CIE-LCH	lch(33.81, 38.90, 276.02°)
OKLab	oklab(42.99% -0.0369 -0.1108)
OKLCH	oklch(42.99% 0.117 251.6)
XYZ	xyz(7.9620, 7.9171, 26.3026)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10518D #8D4C10

analogous

#108D8A #10518D #10128D

triadic

#10518D #8D1051 #518D10

tetradic

#10518D #8A108D #8D4C10 #128D10

square

#10518D #8A108D #8D4C10 #128D10

split-complementary

#10518D #8D1012 #8D8A10

monochromatic

#04121F #0A3156 #10518D #1671C4 #308FE7

Accessibility & contrast

On white

8.13

#10518D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#10518D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10518D

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10518D	#FFFFFF	#000000	##FFFFFF
##10518D	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33558F

Deuteranopia (green-blind)

#1D4A8C

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #10518d;
/* rgb */ color: rgb(16, 81, 141);
/* oklch */ color: oklch(43.0% 0.117 251.6);

Tailwind

colors: {
  custom: {
    50: '#6881af',
    500: '#10518d',
    950: '#000000',
  },
}

SCSS

$custom: #10518d;
$custom-light: #6881af;
$custom-dark: #000000;

JSON

{
  "hex": "#10518d",
  "rgb": {
    "r": 16,
    "g": 81,
    "b": 141
  },
  "hsl": {
    "h": 208.8,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.42994,
    "c": 0.11677,
    "h": 251.6
  },
  "luminance": 0.07918
}

Semantic roles & 50–950 ramp

primary

#10518D

secondary

#C27A37

accent

#9032F6

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #10518D

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

Preview Lab → · Contrast checker → · Palette generator →