#0D4258#0D4258

#0D4258 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 35.7% C 0.065 H 231.0°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#0D4258
RGB	rgb(13, 66, 88)
HSL	hsl(198, 74%, 20%)
HSV	hsv(198, 85%, 35%)
CMYK	cmyk(85.2%, 25%, 0%, 65.5%)
CIE-LAB	lab(25.82, -8.18, -17.92)
CIE-LCH	lch(25.82, 19.70, 245.47°)
OKLab	oklab(35.7% -0.0408 -0.0505)
OKLCH	oklch(35.7% 0.065 231)
XYZ	xyz(3.8749, 4.6861, 9.9309)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D4258 #58230D

analogous

#0D5849 #0D4258 #0D1D58

triadic

#0D4258 #580D42 #42580D

tetradic

#0D4258 #490D58 #58230D #1D580D

square

#0D4258 #490D58 #58230D #1D580D

split-complementary

#0D4258 #580D1D #58490D

monochromatic

#04141B #051A23 #0D4258 #156A8D #1D92C3

Accessibility & contrast

On white

10.84

#0D4258 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#0D4258 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D4258

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D4258	#FFFFFF	#000000	##FFFFFF
##0D4258	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374159

Deuteranopia (green-blind)

#2D3A58

Tritanopia (blue-blind)

#004849

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #0d4258;
/* rgb */ color: rgb(13, 66, 88);
/* oklch */ color: oklch(35.7% 0.065 231.0);

Tailwind

colors: {
  custom: {
    50: '#5a7687',
    500: '#0d4258',
    950: '#000000',
  },
}

SCSS

$custom: #0d4258;
$custom-light: #5a7687;
$custom-dark: #000000;

JSON

{
  "hex": "#0d4258",
  "rgb": {
    "r": 13,
    "g": 66,
    "b": 88
  },
  "hsl": {
    "h": 197.6,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.35695,
    "c": 0.0649,
    "h": 231
  },
  "luminance": 0.04687
}

Semantic roles & 50–950 ramp

primary

#0D4258

secondary

#934C2E

accent

#6D37F1

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0D4258

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

Preview Lab → · Contrast checker → · Palette generator →