#0D3F58#0D3F58

#0D3F58 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.067 H 235.8°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#0D3F58
RGB	rgb(13, 63, 88)
HSL	hsl(200, 74%, 20%)
HSV	hsv(200, 85%, 35%)
CMYK	cmyk(85.2%, 28.4%, 0%, 65.5%)
CIE-LAB	lab(24.78, -6.25, -19.54)
CIE-LCH	lch(24.78, 20.52, 252.26°)
OKLab	oklab(34.86% -0.0376 -0.0552)
OKLCH	oklch(34.86% 0.067 235.8)
XYZ	xyz(3.7042, 4.3447, 9.8740)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3F58 #58260D

analogous

#0D584C #0D3F58 #0D1A58

triadic

#0D3F58 #580D3F #3F580D

tetradic

#0D3F58 #4C0D58 #58260D #1A580D

square

#0D3F58 #4C0D58 #58260D #1A580D

split-complementary

#0D3F58 #580D1A #584C0D

monochromatic

#04131B #051923 #0D3F58 #15658D #1D8BC3

Accessibility & contrast

On white

11.24

#0D3F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#0D3F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3F58

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3F58	#FFFFFF	#000000	##FFFFFF
##0D3F58	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333F59

Deuteranopia (green-blind)

#293858

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #0d3f58;
/* rgb */ color: rgb(13, 63, 88);
/* oklch */ color: oklch(34.9% 0.067 235.8);

Tailwind

colors: {
  custom: {
    50: '#5a7487',
    500: '#0d3f58',
    950: '#000000',
  },
}

SCSS

$custom: #0d3f58;
$custom-light: #5a7487;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3f58",
  "rgb": {
    "r": 13,
    "g": 63,
    "b": 88
  },
  "hsl": {
    "h": 200,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.34864,
    "c": 0.06676,
    "h": 235.8
  },
  "luminance": 0.04345
}

Semantic roles & 50–950 ramp

primary

#0D3F58

secondary

#93502E

accent

#7537F1

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0D3F58

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

Preview Lab → · Contrast checker → · Palette generator →