#1C539D#1C539D

#1C539D is a dark, vivid cyan. Relative luminance 0.089; OKLCH L 44.9% C 0.133 H 257.3°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C539D
RGB	rgb(28, 83, 157)
HSL	hsl(214, 70%, 36%)
HSV	hsv(214, 82%, 62%)
CMYK	cmyk(82.2%, 47.1%, 0%, 38.4%)
CIE-LAB	lab(35.73, 10.35, -45.29)
CIE-LCH	lch(35.73, 46.45, 282.87°)
OKLab	oklab(44.89% -0.0294 -0.1301)
OKLCH	oklch(44.89% 0.133 257.3)
XYZ	xyz(9.6557, 8.8665, 33.0943)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C539D #9D661C

analogous

#1C949D #1C539D #261C9D

triadic

#1C539D #9D1C53 #539D1C

tetradic

#1C539D #9D1C94 #9D661C #1C9D26

square

#1C539D #9D1C94 #9D661C #1C9D26

split-complementary

#1C539D #9D261C #949D1C

monochromatic

#091C35 #133869 #1C539D #256ED1 #538FE0

Accessibility & contrast

On white

7.57

#1C539D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1C539D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C539D

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C539D	#FFFFFF	#000000	##FFFFFF
##1C539D	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5AA0

Deuteranopia (green-blind)

#064F9C

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1c539d;
/* rgb */ color: rgb(28, 83, 157);
/* oklch */ color: oklch(44.9% 0.133 257.3);

Tailwind

colors: {
  custom: {
    50: '#6e82ba',
    500: '#1c539d',
    950: '#000000',
  },
}

SCSS

$custom: #1c539d;
$custom-light: #6e82ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1c539d",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 157
  },
  "hsl": {
    "h": 214.419,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.44893,
    "c": 0.13335,
    "h": 257.3
  },
  "luminance": 0.08868
}

Semantic roles & 50–950 ramp

primary

#1C539D

secondary

#C39351

accent

#A13BED

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1C539D

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

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