#0D404B#0D404B

#0D404B is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.4% C 0.055 H 215.7°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#0D404B
RGB	rgb(13, 64, 75)
HSL	hsl(191, 70%, 17%)
HSV	hsv(191, 83%, 29%)
CMYK	cmyk(82.7%, 14.7%, 0%, 70.6%)
CIE-LAB	lab(24.51, -12.03, -11.42)
CIE-LCH	lch(24.51, 16.58, 223.52°)
OKLab	oklab(34.45% -0.0443 -0.0319)
OKLCH	oklch(34.45% 0.055 215.7)
XYZ	xyz(3.2688, 4.2600, 7.3052)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D404B #4B180D

analogous

#0D4B37 #0D404B #0D214B

triadic

#0D404B #4B0D40 #404B0D

tetradic

#0D404B #370D4B #4B180D #214B0D

square

#0D404B #370D4B #4B180D #214B0D

split-complementary

#0D404B #4B0D21 #4B370D

monochromatic

#05161A #05161A #0D404B #166D7F #1F99B3

Accessibility & contrast

On white

11.34

#0D404B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0D404B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D404B

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D404B	#FFFFFF	#000000	##FFFFFF
##0D404B	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4C

Deuteranopia (green-blind)

#30384B

Tritanopia (blue-blind)

#004443

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0d404b;
/* rgb */ color: rgb(13, 64, 75);
/* oklch */ color: oklch(34.4% 0.055 215.7);

Tailwind

colors: {
  custom: {
    50: '#57757d',
    500: '#0d404b',
    950: '#000000',
  },
}

SCSS

$custom: #0d404b;
$custom-light: #57757d;
$custom-dark: #000000;

JSON

{
  "hex": "#0d404b",
  "rgb": {
    "r": 13,
    "g": 64,
    "b": 75
  },
  "hsl": {
    "h": 190.645,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.34446,
    "c": 0.05458,
    "h": 215.7
  },
  "luminance": 0.0426
}

Semantic roles & 50–950 ramp

primary

#0D404B

secondary

#863D2E

accent

#5A3BED

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #0D404B

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

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