#10508D#10508D

#10508D is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.8% C 0.118 H 252.2°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#10508D
RGB	rgb(16, 80, 141)
HSL	hsl(209, 80%, 31%)
HSV	hsv(209, 89%, 55%)
CMYK	cmyk(88.7%, 43.3%, 0%, 44.7%)
CIE-LAB	lab(33.50, 4.74, -39.18)
CIE-LCH	lch(33.50, 39.46, 276.90°)
OKLab	oklab(42.75% -0.036 -0.1123)
OKLCH	oklch(42.75% 0.118 252.2)
XYZ	xyz(7.8882, 7.7696, 26.2781)
Luminance	0.0777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10508D #8D4D10

analogous

#108D8B #10508D #10118D

triadic

#10508D #8D1050 #508D10

tetradic

#10508D #8B108D #8D4D10 #118D10

square

#10508D #8B108D #8D4D10 #118D10

split-complementary

#10508D #8D1011 #8D8B10

monochromatic

#04121F #0A3156 #10508D #166FC4 #308EE7

Accessibility & contrast

On white

8.22

#10508D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#10508D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10508D

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10508D	#FFFFFF	#000000	##FFFFFF
##10508D	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31558F

Deuteranopia (green-blind)

#1A4A8C

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #10508d;
/* rgb */ color: rgb(16, 80, 141);
/* oklch */ color: oklch(42.8% 0.118 252.2);

Tailwind

colors: {
  custom: {
    50: '#6880af',
    500: '#10508d',
    950: '#000000',
  },
}

SCSS

$custom: #10508d;
$custom-light: #6880af;
$custom-dark: #000000;

JSON

{
  "hex": "#10508d",
  "rgb": {
    "r": 16,
    "g": 80,
    "b": 141
  },
  "hsl": {
    "h": 209.28,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.42751,
    "c": 0.11792,
    "h": 252.2
  },
  "luminance": 0.07771
}

Semantic roles & 50–950 ramp

primary

#10508D

secondary

#C27B37

accent

#9232F6

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #10508D

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

Preview Lab → · Contrast checker → · Palette generator →