#1C7183#1C7183

#1C7183 is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 50.8% C 0.081 H 215.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C7183
RGB	rgb(28, 113, 131)
HSL	hsl(190, 65%, 31%)
HSV	hsv(190, 79%, 51%)
CMYK	cmyk(78.6%, 13.7%, 0%, 48.6%)
CIE-LAB	lab(43.79, -17.97, -16.98)
CIE-LCH	lch(43.79, 24.72, 223.38°)
OKLab	oklab(50.83% -0.0662 -0.0474)
OKLCH	oklch(50.83% 0.081 215.6)
XYZ	xyz(10.4790, 13.6946, 23.5594)
Luminance	0.1370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C7183 #832E1C

analogous

#1C8361 #1C7183 #1C3D83

triadic

#1C7183 #831C71 #71831C

tetradic

#1C7183 #611C83 #832E1C #3D831C

square

#1C7183 #611C83 #832E1C #3D831C

split-complementary

#1C7183 #831C3D #83611C

monochromatic

#061A1E #114651 #1C7183 #279CB5 #43BDD7

Accessibility & contrast

On white

5.62

#1C7183 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#1C7183 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C7183

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C7183	#FFFFFF	#000000	##FFFFFF
##1C7183	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#656D84

Deuteranopia (green-blind)

#576383

Tritanopia (blue-blind)

#007877

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #1c7183;
/* rgb */ color: rgb(28, 113, 131);
/* oklch */ color: oklch(50.8% 0.081 215.6);

Tailwind

colors: {
  custom: {
    50: '#6a9aa7',
    500: '#1c7183',
    950: '#000000',
  },
}

SCSS

$custom: #1c7183;
$custom-light: #6a9aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c7183",
  "rgb": {
    "r": 28,
    "g": 113,
    "b": 131
  },
  "hsl": {
    "h": 190.485,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.50829,
    "c": 0.08145,
    "h": 215.6
  },
  "luminance": 0.13696
}

Semantic roles & 50–950 ramp

primary

#1C7183

secondary

#B65845

accent

#5D40E8

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070E0F

muted

#7A7E7F

Preview Lab

Preview with #1C7183

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

Preview Lab → · Contrast checker → · Palette generator →