#10559D#10559D

#10559D is a mid, vivid cyan. Relative luminance 0.090; OKLCH L 45.1% C 0.134 H 254.2°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#10559D
RGB	rgb(16, 85, 157)
HSL	hsl(211, 82%, 34%)
HSV	hsv(211, 90%, 62%)
CMYK	cmyk(89.8%, 45.9%, 0%, 38.4%)
CIE-LAB	lab(36.06, 8.01, -44.76)
CIE-LCH	lch(36.06, 45.47, 280.14°)
OKLab	oklab(45.08% -0.0365 -0.1286)
OKLCH	oklch(45.08% 0.134 254.2)
XYZ	xyz(9.5457, 9.0402, 33.1336)
Luminance	0.0904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10559D #9D5810

analogous

#109C9D #10559D #11109D

triadic

#10559D #9D1055 #559D10

tetradic

#10559D #9D109C #9D5810 #109D11

square

#10559D #9D109C #9D5810 #109D11

split-complementary

#10559D #9D1110 #9C9D10

monochromatic

#05192E #0A3765 #10559D #1673D5 #3C92EB

Accessibility & contrast

On white

7.48

#10559D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#10559D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10559D

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10559D	#FFFFFF	#000000	##FFFFFF
##10559D	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5BA0

Deuteranopia (green-blind)

#0B4F9C

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #10559d;
/* rgb */ color: rgb(16, 85, 157);
/* oklch */ color: oklch(45.1% 0.134 254.2);

Tailwind

colors: {
  custom: {
    50: '#6c84ba',
    500: '#10559d',
    950: '#000000',
  },
}

SCSS

$custom: #10559d;
$custom-light: #6c84ba;
$custom-dark: #000000;

JSON

{
  "hex": "#10559d",
  "rgb": {
    "r": 16,
    "g": 85,
    "b": 157
  },
  "hsl": {
    "h": 210.638,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.45077,
    "c": 0.13366,
    "h": 254.2
  },
  "luminance": 0.09041
}

Semantic roles & 50–950 ramp

primary

#10559D

secondary

#CA863E

accent

#9630F8

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #10559D

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

Preview Lab → · Contrast checker → · Palette generator →