#0C3A4E#0C3A4E

#0C3A4E is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.9% C 0.059 H 231.8°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#0C3A4E
RGB	rgb(12, 58, 78)
HSL	hsl(198, 73%, 18%)
HSV	hsv(198, 85%, 31%)
CMYK	cmyk(84.6%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(22.49, -7.22, -16.52)
CIE-LCH	lch(22.49, 18.03, 246.41°)
OKLab	oklab(32.87% -0.0366 -0.0465)
OKLCH	oklch(32.87% 0.059 231.8)
XYZ	xyz(3.0393, 3.6540, 7.7514)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3A4E #4E200C

analogous

#0C4E41 #0C3A4E #0C194E

triadic

#0C3A4E #4E0C3A #3A4E0C

tetradic

#0C3A4E #410C4E #4E200C #194E0C

square

#0C3A4E #410C4E #4E200C #194E0C

split-complementary

#0C3A4E #4E0C19 #4E410C

monochromatic

#04141B #04141B #0C3A4E #146183 #1C89B8

Accessibility & contrast

On white

12.13

#0C3A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#0C3A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3A4E

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3A4E	#FFFFFF	#000000	##FFFFFF
##0C3A4E	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30394F

Deuteranopia (green-blind)

#27334E

Tritanopia (blue-blind)

#003F41

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0c3a4e;
/* rgb */ color: rgb(12, 58, 78);
/* oklch */ color: oklch(32.9% 0.059 231.8);

Tailwind

colors: {
  custom: {
    50: '#57707f',
    500: '#0c3a4e',
    950: '#000000',
  },
}

SCSS

$custom: #0c3a4e;
$custom-light: #57707f;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3a4e",
  "rgb": {
    "r": 12,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 198.182,
    "s": 73.333,
    "l": 17.647
  },
  "oklch": {
    "l": 0.32866,
    "c": 0.05918,
    "h": 231.8
  },
  "luminance": 0.03654
}

Semantic roles & 50–950 ramp

primary

#0C3A4E

secondary

#8A492C

accent

#7038F0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0C3A4E

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

Preview Lab → · Contrast checker → · Palette generator →