#1D556D#1D556D

#1D556D is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.4% C 0.070 H 230.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#1D556D
RGB	rgb(29, 85, 109)
HSL	hsl(198, 58%, 27%)
HSV	hsv(198, 73%, 43%)
CMYK	cmyk(73.4%, 22%, 0%, 57.3%)
CIE-LAB	lab(33.69, -9.57, -19.06)
CIE-LCH	lch(33.69, 21.33, 243.33°)
OKLab	oklab(42.43% -0.0447 -0.0535)
OKLCH	oklch(42.43% 0.07 230.1)
XYZ	xyz(6.5144, 7.8616, 15.6392)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D556D #6D351D

analogous

#1D6D5D #1D556D #1D2D6D

triadic

#1D556D #6D1D55 #556D1D

tetradic

#1D556D #5D1D6D #6D351D #2D6D1D

square

#1D556D #5D1D6D #6D351D #2D6D1D

split-complementary

#1D556D #6D1D2D #6D5D1D

monochromatic

#061318 #102F3D #1D556D #2A7B9D #3A9FCB

Accessibility & contrast

On white

8.16

#1D556D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1D556D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D556D

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D556D	#FFFFFF	#000000	##FFFFFF
##1D556D	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	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: #1d556d;
/* rgb */ color: rgb(29, 85, 109);
/* oklch */ color: oklch(42.4% 0.070 230.1);

Tailwind

colors: {
  custom: {
    50: '#648497',
    500: '#1d556d',
    950: '#000000',
  },
}

SCSS

$custom: #1d556d;
$custom-light: #648497;
$custom-dark: #000000;

JSON

{
  "hex": "#1d556d",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 109
  },
  "hsl": {
    "h": 198,
    "s": 57.971,
    "l": 27.059
  },
  "oklch": {
    "l": 0.4243,
    "c": 0.06968,
    "h": 230.1
  },
  "luminance": 0.07862
}

Semantic roles & 50–950 ramp

primary

#1D556D

secondary

#A26044

accent

#7547E1

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1D556D

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

Preview Lab → · Contrast checker → · Palette generator →