#1D586B#1D586B

#1D586B is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.1% C 0.067 H 223.2°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#1D586B
RGB	rgb(29, 88, 107)
HSL	hsl(195, 57%, 27%)
HSV	hsv(195, 73%, 42%)
CMYK	cmyk(72.9%, 17.8%, 0%, 58%)
CIE-LAB	lab(34.60, -12.09, -16.41)
CIE-LCH	lch(34.60, 20.39, 233.61°)
OKLab	oklab(43.13% -0.0489 -0.0459)
OKLCH	oklch(43.13% 0.067 223.2)
XYZ	xyz(6.6492, 8.3015, 15.1590)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D586B #6B301D

analogous

#1D6B57 #1D586B #1D316B

triadic

#1D586B #6B1D58 #586B1D

tetradic

#1D586B #571D6B #6B301D #316B1D

square

#1D586B #571D6B #6B301D #316B1D

split-complementary

#1D586B #6B1D31 #6B571D

monochromatic

#071418 #10303B #1D586B #2A809B #39A6C9

Accessibility & contrast

On white

7.89

#1D586B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1D586B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D586B

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D586B	#FFFFFF	#000000	##FFFFFF
##1D586B	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D566C

Deuteranopia (green-blind)

#424E6B

Tritanopia (blue-blind)

#005E5E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d586b;
/* rgb */ color: rgb(29, 88, 107);
/* oklch */ color: oklch(43.1% 0.067 223.2);

Tailwind

colors: {
  custom: {
    50: '#648795',
    500: '#1d586b',
    950: '#000000',
  },
}

SCSS

$custom: #1d586b;
$custom-light: #648795;
$custom-dark: #000000;

JSON

{
  "hex": "#1d586b",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 107
  },
  "hsl": {
    "h": 194.615,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.43128,
    "c": 0.06704,
    "h": 223.2
  },
  "luminance": 0.08302
}

Semantic roles & 50–950 ramp

primary

#1D586B

secondary

#A05A44

accent

#6D47E1

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1D586B

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

Preview Lab → · Contrast checker → · Palette generator →