#10519D#10519D

#10519D is a dark, vivid cyan. Relative luminance 0.084; OKLCH L 44.1% C 0.138 H 256.0°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#10519D
RGB	rgb(16, 81, 157)
HSL	hsl(212, 82%, 34%)
HSV	hsv(212, 90%, 62%)
CMYK	cmyk(89.8%, 48.4%, 0%, 38.4%)
CIE-LAB	lab(34.86, 10.68, -46.70)
CIE-LCH	lch(34.86, 47.90, 282.88°)
OKLab	oklab(44.15% -0.0335 -0.1344)
OKLCH	oklch(44.15% 0.138 256)
XYZ	xyz(9.2396, 8.4281, 33.0316)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10519D #9D5C10

analogous

#10989D #10519D #15109D

triadic

#10519D #9D1051 #519D10

tetradic

#10519D #9D1098 #9D5C10 #109D15

square

#10519D #9D1098 #9D5C10 #109D15

split-complementary

#10519D #9D1510 #989D10

monochromatic

#05182E #0A3465 #10519D #166ED5 #3C8DEB

Accessibility & contrast

On white

7.82

#10519D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#10519D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10519D

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10519D	#FFFFFF	#000000	##FFFFFF
##10519D	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2559A0

Deuteranopia (green-blind)

#004C9C

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #10519d;
/* rgb */ color: rgb(16, 81, 157);
/* oklch */ color: oklch(44.1% 0.138 256.0);

Tailwind

colors: {
  custom: {
    50: '#6c81ba',
    500: '#10519d',
    950: '#000000',
  },
}

SCSS

$custom: #10519d;
$custom-light: #6c81ba;
$custom-dark: #000000;

JSON

{
  "hex": "#10519d",
  "rgb": {
    "r": 16,
    "g": 81,
    "b": 157
  },
  "hsl": {
    "h": 212.34,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44147,
    "c": 0.13849,
    "h": 256
  },
  "luminance": 0.08429
}

Semantic roles & 50–950 ramp

primary

#10519D

secondary

#CA8A3E

accent

#9C30F8

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #10519D

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

Preview Lab → · Contrast checker → · Palette generator →