#1C5166#1C5166

#1C5166 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.0% C 0.065 H 227.9°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#1C5166
RGB	rgb(28, 81, 102)
HSL	hsl(197, 57%, 25%)
HSV	hsv(197, 73%, 40%)
CMYK	cmyk(72.5%, 20.6%, 0%, 60%)
CIE-LAB	lab(32.01, -9.89, -17.27)
CIE-LCH	lch(32.01, 19.90, 240.20°)
OKLab	oklab(40.98% -0.0436 -0.0483)
OKLCH	oklch(40.98% 0.065 227.9)
XYZ	xyz(5.8186, 7.0904, 13.6297)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5166 #66311C

analogous

#1C6656 #1C5166 #1C2C66

triadic

#1C5166 #661C51 #51661C

tetradic

#1C5166 #561C66 #66311C #2C661C

square

#1C5166 #561C66 #66311C #2C661C

split-complementary

#1C5166 #661C2C #66561C

monochromatic

#071318 #0F2B36 #1C5166 #297796 #369DC6

Accessibility & contrast

On white

8.68

#1C5166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1C5166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5166

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5166	#FFFFFF	#000000	##FFFFFF
##1C5166	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465067

Deuteranopia (green-blind)

#3C4866

Tritanopia (blue-blind)

#005758

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c5166;
/* rgb */ color: rgb(28, 81, 102);
/* oklch */ color: oklch(41.0% 0.065 227.9);

Tailwind

colors: {
  custom: {
    50: '#638191',
    500: '#1c5166',
    950: '#000000',
  },
}

SCSS

$custom: #1c5166;
$custom-light: #638191;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5166",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 102
  },
  "hsl": {
    "h": 197.027,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.40975,
    "c": 0.06512,
    "h": 227.9
  },
  "luminance": 0.07091
}

Semantic roles & 50–950 ramp

primary

#1C5166

secondary

#9B5C43

accent

#7348E0

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1C5166

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

Preview Lab → · Contrast checker → · Palette generator →