#10557E#10557E

#10557E is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.0% C 0.093 H 241.3°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#10557E
RGB	rgb(16, 85, 126)
HSL	hsl(202, 77%, 28%)
HSV	hsv(202, 87%, 49%)
CMYK	cmyk(87.3%, 32.5%, 0%, 50.6%)
CIE-LAB	lab(34.22, -4.63, -28.83)
CIE-LCH	lch(34.22, 29.20, 260.88°)
OKLab	oklab(43.03% -0.0448 -0.0818)
OKLCH	oklch(43.03% 0.093 241.3)
XYZ	xyz(7.2266, 8.1126, 20.9196)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10557E #7E3910

analogous

#107E70 #10557E #101E7E

triadic

#10557E #7E1055 #557E10

tetradic

#10557E #70107E #7E3910 #1E7E10

square

#10557E #70107E #7E3910 #1E7E10

split-complementary

#10557E #7E101E #7E7010

monochromatic

#03121B #093048 #10557E #177AB4 #259CE3

Accessibility & contrast

On white

8.01

#10557E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#10557E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10557E

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10557E	#FFFFFF	#000000	##FFFFFF
##10557E	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415680

Deuteranopia (green-blind)

#334C7D

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #10557e;
/* rgb */ color: rgb(16, 85, 126);
/* oklch */ color: oklch(43.0% 0.093 241.3);

Tailwind

colors: {
  custom: {
    50: '#6484a3',
    500: '#10557e',
    950: '#000000',
  },
}

SCSS

$custom: #10557e;
$custom-light: #6484a3;
$custom-dark: #000000;

JSON

{
  "hex": "#10557e",
  "rgb": {
    "r": 16,
    "g": 85,
    "b": 126
  },
  "hsl": {
    "h": 202.364,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.43032,
    "c": 0.09328,
    "h": 241.3
  },
  "luminance": 0.08114
}

Semantic roles & 50–950 ramp

primary

#10557E

secondary

#B46536

accent

#7B34F4

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#060A0F

muted

#7A7C7F

Preview Lab

Preview with #10557E

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

Preview Lab → · Contrast checker → · Palette generator →