#0D3B58#0D3B58

#0D3B58 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.070 H 241.6°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#0D3B58
RGB	rgb(13, 59, 88)
HSL	hsl(203, 74%, 20%)
HSV	hsv(203, 85%, 35%)
CMYK	cmyk(85.2%, 33%, 0%, 65.5%)
CIE-LAB	lab(23.40, -3.62, -21.71)
CIE-LCH	lch(23.40, 22.01, 260.54°)
OKLab	oklab(33.77% -0.0333 -0.0615)
OKLCH	oklch(33.77% 0.07 241.6)
XYZ	xyz(3.4907, 3.9177, 9.8028)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3B58 #582A0D

analogous

#0D5850 #0D3B58 #0D1658

triadic

#0D3B58 #580D3B #3B580D

tetradic

#0D3B58 #500D58 #582A0D #16580D

square

#0D3B58 #500D58 #582A0D #16580D

split-complementary

#0D3B58 #580D16 #58500D

monochromatic

#04121B #051723 #0D3B58 #155F8D #1D83C3

Accessibility & contrast

On white

11.77

#0D3B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0D3B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3B58

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3B58	#FFFFFF	#000000	##FFFFFF
##0D3B58	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3C59

Deuteranopia (green-blind)

#233557

Tritanopia (blue-blind)

#004245

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0d3b58;
/* rgb */ color: rgb(13, 59, 88);
/* oklch */ color: oklch(33.8% 0.070 241.6);

Tailwind

colors: {
  custom: {
    50: '#597087',
    500: '#0d3b58',
    950: '#000000',
  },
}

SCSS

$custom: #0d3b58;
$custom-light: #597087;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3b58",
  "rgb": {
    "r": 13,
    "g": 59,
    "b": 88
  },
  "hsl": {
    "h": 203.2,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33767,
    "c": 0.06997,
    "h": 241.6
  },
  "luminance": 0.03918
}

Semantic roles & 50–950 ramp

primary

#0D3B58

secondary

#93552E

accent

#7F37F1

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0D3B58

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

Preview Lab → · Contrast checker → · Palette generator →