#0D4A58#0D4A58

#0D4A58 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 37.9% C 0.063 H 217.5°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#0D4A58
RGB	rgb(13, 74, 88)
HSL	hsl(191, 74%, 20%)
HSV	hsv(191, 85%, 35%)
CMYK	cmyk(85.2%, 15.9%, 0%, 65.5%)
CIE-LAB	lab(28.61, -13.08, -13.62)
CIE-LCH	lch(28.61, 18.88, 226.14°)
OKLab	oklab(37.93% -0.0496 -0.0381)
OKLCH	oklch(37.93% 0.063 217.5)
XYZ	xyz(4.3755, 5.6872, 10.0978)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D4A58 #581B0D

analogous

#0D5841 #0D4A58 #0D2558

triadic

#0D4A58 #580D4A #4A580D

tetradic

#0D4A58 #410D58 #581B0D #25580D

square

#0D4A58 #410D58 #581B0D #25580D

split-complementary

#0D4A58 #580D25 #58410D

monochromatic

#04161B #051D23 #0D4A58 #15778D #1DA4C3

Accessibility & contrast

On white

9.82

#0D4A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#0D4A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D4A58

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D4A58	#FFFFFF	#000000	##FFFFFF
##0D4A58	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414859

Deuteranopia (green-blind)

#374058

Tritanopia (blue-blind)

#004F4E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #0d4a58;
/* rgb */ color: rgb(13, 74, 88);
/* oklch */ color: oklch(37.9% 0.063 217.5);

Tailwind

colors: {
  custom: {
    50: '#5b7c87',
    500: '#0d4a58',
    950: '#000000',
  },
}

SCSS

$custom: #0d4a58;
$custom-light: #5b7c87;
$custom-dark: #000000;

JSON

{
  "hex": "#0d4a58",
  "rgb": {
    "r": 13,
    "g": 74,
    "b": 88
  },
  "hsl": {
    "h": 191.2,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.3793,
    "c": 0.0625,
    "h": 217.5
  },
  "luminance": 0.05688
}

Semantic roles & 50–950 ramp

primary

#0D4A58

secondary

#93412E

accent

#5A37F1

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0D4A58

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

Preview Lab → · Contrast checker → · Palette generator →