#1C556D#1C556D

#1C556D is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.070 H 229.8°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#1C556D
RGB	rgb(28, 85, 109)
HSL	hsl(198, 59%, 27%)
HSV	hsv(198, 74%, 43%)
CMYK	cmyk(74.3%, 22%, 0%, 57.3%)
CIE-LAB	lab(33.66, -9.74, -19.11)
CIE-LCH	lch(33.66, 21.45, 243.01°)
OKLab	oklab(42.4% -0.0453 -0.0536)
OKLCH	oklch(42.4% 0.07 229.8)
XYZ	xyz(6.4866, 7.8473, 15.6378)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C556D #6D341C

analogous

#1C6D5D #1C556D #1C2D6D

triadic

#1C556D #6D1C55 #556D1C

tetradic

#1C556D #5D1C6D #6D341C #2D6D1C

square

#1C556D #5D1C6D #6D341C #2D6D1C

split-complementary

#1C556D #6D1C2D #6D5D1C

monochromatic

#061318 #0F2F3C #1C556D #297B9E #38A0CC

Accessibility & contrast

On white

8.17

#1C556D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1C556D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C556D

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C556D	#FFFFFF	#000000	##FFFFFF
##1C556D	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49546E

Deuteranopia (green-blind)

#3E4C6D

Tritanopia (blue-blind)

#005C5D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1c556d;
/* rgb */ color: rgb(28, 85, 109);
/* oklch */ color: oklch(42.4% 0.070 229.8);

Tailwind

colors: {
  custom: {
    50: '#648497',
    500: '#1c556d',
    950: '#000000',
  },
}

SCSS

$custom: #1c556d;
$custom-light: #648497;
$custom-dark: #000000;

JSON

{
  "hex": "#1c556d",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 109
  },
  "hsl": {
    "h": 197.778,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.42397,
    "c": 0.07017,
    "h": 229.8
  },
  "luminance": 0.07848
}

Semantic roles & 50–950 ramp

primary

#1C556D

secondary

#A25F43

accent

#7445E2

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1C556D

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

Preview Lab → · Contrast checker → · Palette generator →