#0D3A58#0D3A58

#0D3A58 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.5% C 0.071 H 242.9°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#0D3A58
RGB	rgb(13, 58, 88)
HSL	hsl(204, 74%, 20%)
HSV	hsv(204, 85%, 35%)
CMYK	cmyk(85.2%, 34.1%, 0%, 65.5%)
CIE-LAB	lab(23.05, -2.94, -22.25)
CIE-LCH	lch(23.05, 22.45, 262.46°)
OKLab	oklab(33.49% -0.0322 -0.0631)
OKLCH	oklch(33.49% 0.071 242.9)
XYZ	xyz(3.4398, 3.8158, 9.7859)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3A58 #582B0D

analogous

#0D5851 #0D3A58 #0D1558

triadic

#0D3A58 #580D3A #3A580D

tetradic

#0D3A58 #510D58 #582B0D #15580D

square

#0D3A58 #510D58 #582B0D #15580D

split-complementary

#0D3A58 #580D15 #58510D

monochromatic

#04121B #051723 #0D3A58 #155D8D #1D80C3

Accessibility & contrast

On white

11.91

#0D3A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#0D3A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3A58

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3A58	#FFFFFF	#000000	##FFFFFF
##0D3A58	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3B59

Deuteranopia (green-blind)

#223457

Tritanopia (blue-blind)

#004145

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0d3a58;
/* rgb */ color: rgb(13, 58, 88);
/* oklch */ color: oklch(33.5% 0.071 242.9);

Tailwind

colors: {
  custom: {
    50: '#596f87',
    500: '#0d3a58',
    950: '#000000',
  },
}

SCSS

$custom: #0d3a58;
$custom-light: #596f87;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3a58",
  "rgb": {
    "r": 13,
    "g": 58,
    "b": 88
  },
  "hsl": {
    "h": 204,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33494,
    "c": 0.07089,
    "h": 242.9
  },
  "luminance": 0.03816
}

Semantic roles & 50–950 ramp

primary

#0D3A58

secondary

#93562E

accent

#8137F1

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0D3A58

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

Preview Lab → · Contrast checker → · Palette generator →