#1C536D#1C536D

#1C536D is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.9% C 0.071 H 232.7°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#1C536D
RGB	rgb(28, 83, 109)
HSL	hsl(199, 59%, 27%)
HSV	hsv(199, 74%, 43%)
CMYK	cmyk(74.3%, 23.9%, 0%, 57.3%)
CIE-LAB	lab(33.00, -8.52, -20.14)
CIE-LCH	lch(33.00, 21.87, 247.08°)
OKLab	oklab(41.87% -0.0431 -0.0566)
OKLCH	oklch(41.87% 0.071 232.7)
XYZ	xyz(6.3314, 7.5368, 15.5861)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C536D #6D361C

analogous

#1C6D5F #1C536D #1C2B6D

triadic

#1C536D #6D1C53 #536D1C

tetradic

#1C536D #5F1C6D #6D361C #2B6D1C

square

#1C536D #5F1C6D #6D361C #2B6D1C

split-complementary

#1C536D #6D1C2B #6D5F1C

monochromatic

#061318 #0F2E3C #1C536D #29789E #389CCC

Accessibility & contrast

On white

8.37

#1C536D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1C536D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C536D

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C536D	#FFFFFF	#000000	##FFFFFF
##1C536D	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46526E

Deuteranopia (green-blind)

#3B4A6D

Tritanopia (blue-blind)

#005A5C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c536d;
/* rgb */ color: rgb(28, 83, 109);
/* oklch */ color: oklch(41.9% 0.071 232.7);

Tailwind

colors: {
  custom: {
    50: '#648397',
    500: '#1c536d',
    950: '#000000',
  },
}

SCSS

$custom: #1c536d;
$custom-light: #648397;
$custom-dark: #000000;

JSON

{
  "hex": "#1c536d",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 109
  },
  "hsl": {
    "h": 199.259,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.41868,
    "c": 0.0711,
    "h": 232.7
  },
  "luminance": 0.07538
}

Semantic roles & 50–950 ramp

primary

#1C536D

secondary

#A26143

accent

#7845E2

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1C536D

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

Preview Lab → · Contrast checker → · Palette generator →