#1D557D#1D557D

#1D557D is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.088 H 243.7°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D557D
RGB	rgb(29, 85, 125)
HSL	hsl(205, 62%, 30%)
HSV	hsv(205, 77%, 49%)
CMYK	cmyk(76.8%, 32%, 0%, 51%)
CIE-LAB	lab(34.47, -3.53, -27.78)
CIE-LCH	lch(34.47, 28.01, 262.77°)
OKLab	oklab(43.31% -0.0388 -0.0787)
OKLCH	oklch(43.31% 0.088 243.7)
XYZ	xyz(7.4554, 8.2380, 20.5952)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D557D #7D451D

analogous

#1D7D75 #1D557D #1D257D

triadic

#1D557D #7D1D55 #557D1D

tetradic

#1D557D #751D7D #7D451D #257D1D

square

#1D557D #751D7D #7D451D #257D1D

split-complementary

#1D557D #7D1D25 #7D751D

monochromatic

#06111A #11334B #1D557D #2977AF #4196D3

Accessibility & contrast

On white

7.93

#1D557D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1D557D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D557D

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D557D	#FFFFFF	#000000	##FFFFFF
##1D557D	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43567F

Deuteranopia (green-blind)

#354D7C

Tritanopia (blue-blind)

#005F63

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d557d;
/* rgb */ color: rgb(29, 85, 125);
/* oklch */ color: oklch(43.3% 0.088 243.7);

Tailwind

colors: {
  custom: {
    50: '#6784a3',
    500: '#1d557d',
    950: '#000000',
  },
}

SCSS

$custom: #1d557d;
$custom-light: #6784a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d557d",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 125
  },
  "hsl": {
    "h": 205,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.43307,
    "c": 0.08775,
    "h": 243.7
  },
  "luminance": 0.08239
}

Semantic roles & 50–950 ramp

primary

#1D557D

secondary

#B17245

accent

#8642E5

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D557D

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

Preview Lab → · Contrast checker → · Palette generator →