#0D3C58#0D3C58

#0D3C58 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.069 H 240.2°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#0D3C58
RGB	rgb(13, 60, 88)
HSL	hsl(202, 74%, 20%)
HSV	hsv(202, 85%, 35%)
CMYK	cmyk(85.2%, 31.8%, 0%, 65.5%)
CIE-LAB	lab(23.74, -4.28, -21.17)
CIE-LCH	lch(23.74, 21.60, 258.56°)
OKLab	oklab(34.04% -0.0343 -0.0599)
OKLCH	oklch(34.04% 0.069 240.2)
XYZ	xyz(3.5426, 4.0214, 9.8201)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3C58 #58290D

analogous

#0D584F #0D3C58 #0D1758

triadic

#0D3C58 #580D3C #3C580D

tetradic

#0D3C58 #4F0D58 #58290D #17580D

square

#0D3C58 #4F0D58 #58290D #17580D

split-complementary

#0D3C58 #580D17 #584F0D

monochromatic

#04121B #051823 #0D3C58 #15608D #1D85C3

Accessibility & contrast

On white

11.64

#0D3C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#0D3C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3C58

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3C58	#FFFFFF	#000000	##FFFFFF
##0D3C58	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3C59

Deuteranopia (green-blind)

#253557

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0d3c58;
/* rgb */ color: rgb(13, 60, 88);
/* oklch */ color: oklch(34.0% 0.069 240.2);

Tailwind

colors: {
  custom: {
    50: '#5a7187',
    500: '#0d3c58',
    950: '#000000',
  },
}

SCSS

$custom: #0d3c58;
$custom-light: #5a7187;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3c58",
  "rgb": {
    "r": 13,
    "g": 60,
    "b": 88
  },
  "hsl": {
    "h": 202.4,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.3404,
    "c": 0.06909,
    "h": 240.2
  },
  "luminance": 0.04022
}

Semantic roles & 50–950 ramp

primary

#0D3C58

secondary

#93542E

accent

#7C37F1

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0D3C58

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

Preview Lab → · Contrast checker → · Palette generator →