#0D4B59#0D4B59

#0D4B59 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.3% C 0.063 H 217.2°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#0D4B59
RGB	rgb(13, 75, 89)
HSL	hsl(191, 75%, 20%)
HSV	hsv(191, 85%, 35%)
CMYK	cmyk(85.4%, 15.7%, 0%, 65.1%)
CIE-LAB	lab(29.00, -13.30, -13.66)
CIE-LCH	lch(29.00, 19.06, 225.77°)
OKLab	oklab(38.26% -0.0502 -0.0382)
OKLCH	oklch(38.26% 0.063 217.2)
XYZ	xyz(4.4845, 5.8384, 10.3398)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D4B59 #591B0D

analogous

#0D5941 #0D4B59 #0D2559

triadic

#0D4B59 #590D4B #4B590D

tetradic

#0D4B59 #410D59 #591B0D #25590D

square

#0D4B59 #410D59 #591B0D #25590D

split-complementary

#0D4B59 #590D25 #59410D

monochromatic

#04161B #051E24 #0D4B59 #15788E #1DA5C4

Accessibility & contrast

On white

9.69

#0D4B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#0D4B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D4B59

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D4B59	#FFFFFF	#000000	##FFFFFF
##0D4B59	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42485A

Deuteranopia (green-blind)

#384159

Tritanopia (blue-blind)

#00504F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0d4b59;
/* rgb */ color: rgb(13, 75, 89);
/* oklch */ color: oklch(38.3% 0.063 217.2);

Tailwind

colors: {
  custom: {
    50: '#5b7d88',
    500: '#0d4b59',
    950: '#000000',
  },
}

SCSS

$custom: #0d4b59;
$custom-light: #5b7d88;
$custom-dark: #000000;

JSON

{
  "hex": "#0d4b59",
  "rgb": {
    "r": 13,
    "g": 75,
    "b": 89
  },
  "hsl": {
    "h": 191.053,
    "s": 74.51,
    "l": 20
  },
  "oklch": {
    "l": 0.3826,
    "c": 0.06309,
    "h": 217.2
  },
  "luminance": 0.05839
}

Semantic roles & 50–950 ramp

primary

#0D4B59

secondary

#93412E

accent

#5937F1

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0D4B59

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

Preview Lab → · Contrast checker → · Palette generator →