#0D4B58#0D4B58

#0D4B58 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.2% C 0.062 H 215.8°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#0D4B58
RGB	rgb(13, 75, 88)
HSL	hsl(190, 74%, 20%)
HSV	hsv(190, 85%, 35%)
CMYK	cmyk(85.2%, 14.8%, 0%, 65.5%)
CIE-LAB	lab(28.96, -13.67, -13.08)
CIE-LCH	lch(28.96, 18.92, 223.73°)
OKLab	oklab(38.21% -0.0507 -0.0365)
OKLCH	oklch(38.21% 0.062 215.8)
XYZ	xyz(4.4428, 5.8217, 10.1202)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D4B58 #581A0D

analogous

#0D5840 #0D4B58 #0D2658

triadic

#0D4B58 #580D4B #4B580D

tetradic

#0D4B58 #400D58 #581A0D #26580D

square

#0D4B58 #400D58 #581A0D #26580D

split-complementary

#0D4B58 #580D26 #58400D

monochromatic

#04171B #051E23 #0D4B58 #15788D #1DA6C3

Accessibility & contrast

On white

9.70

#0D4B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#0D4B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D4B58

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D4B58	#FFFFFF	#000000	##FFFFFF
##0D4B58	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424859

Deuteranopia (green-blind)

#384158

Tritanopia (blue-blind)

#00504F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0d4b58;
/* rgb */ color: rgb(13, 75, 88);
/* oklch */ color: oklch(38.2% 0.062 215.8);

Tailwind

colors: {
  custom: {
    50: '#5b7d87',
    500: '#0d4b58',
    950: '#000000',
  },
}

SCSS

$custom: #0d4b58;
$custom-light: #5b7d87;
$custom-dark: #000000;

JSON

{
  "hex": "#0d4b58",
  "rgb": {
    "r": 13,
    "g": 75,
    "b": 88
  },
  "hsl": {
    "h": 190.4,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.38212,
    "c": 0.06248,
    "h": 215.8
  },
  "luminance": 0.05822
}

Semantic roles & 50–950 ramp

primary

#0D4B58

secondary

#93402E

accent

#5737F1

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0D4B58

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

Preview Lab → · Contrast checker → · Palette generator →