#0D3958#0D3958

#0D3958 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.072 H 244.3°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#0D3958
RGB	rgb(13, 57, 88)
HSL	hsl(205, 74%, 20%)
HSV	hsv(205, 85%, 35%)
CMYK	cmyk(85.2%, 35.2%, 0%, 65.5%)
CIE-LAB	lab(22.71, -2.27, -22.80)
CIE-LCH	lch(22.71, 22.91, 264.32°)
OKLab	oklab(33.22% -0.0312 -0.0647)
OKLCH	oklch(33.22% 0.072 244.3)
XYZ	xyz(3.3899, 3.7160, 9.7692)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3958 #582C0D

analogous

#0D5852 #0D3958 #0D1458

triadic

#0D3958 #580D39 #39580D

tetradic

#0D3958 #520D58 #582C0D #14580D

square

#0D3958 #520D58 #582C0D #14580D

split-complementary

#0D3958 #580D14 #58520D

monochromatic

#04111B #051623 #0D3958 #155C8D #1D7EC3

Accessibility & contrast

On white

12.05

#0D3958 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#0D3958 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3958

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3958	#FFFFFF	#000000	##FFFFFF
##0D3958	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3A59

Deuteranopia (green-blind)

#203357

Tritanopia (blue-blind)

#004144

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0d3958;
/* rgb */ color: rgb(13, 57, 88);
/* oklch */ color: oklch(33.2% 0.072 244.3);

Tailwind

colors: {
  custom: {
    50: '#596f87',
    500: '#0d3958',
    950: '#000000',
  },
}

SCSS

$custom: #0d3958;
$custom-light: #596f87;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3958",
  "rgb": {
    "r": 13,
    "g": 57,
    "b": 88
  },
  "hsl": {
    "h": 204.8,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33223,
    "c": 0.07185,
    "h": 244.3
  },
  "luminance": 0.03716
}

Semantic roles & 50–950 ramp

primary

#0D3958

secondary

#93582E

accent

#8437F1

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0D3958

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

Preview Lab → · Contrast checker → · Palette generator →