#0C3B51#0C3B51

#0C3B51 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.062 H 233.9°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#0C3B51
RGB	rgb(12, 59, 81)
HSL	hsl(199, 74%, 18%)
HSV	hsv(199, 85%, 32%)
CMYK	cmyk(85.2%, 27.2%, 0%, 68.2%)
CIE-LAB	lab(23.00, -6.64, -17.73)
CIE-LCH	lch(23.00, 18.93, 249.46°)
OKLab	oklab(33.32% -0.0365 -0.05)
OKLCH	oklch(33.32% 0.062 233.9)
XYZ	xyz(3.2002, 3.7998, 8.3478)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3B51 #51220C

analogous

#0C5144 #0C3B51 #0C1851

triadic

#0C3B51 #510C3B #3B510C

tetradic

#0C3B51 #440C51 #51220C #18510C

square

#0C3B51 #440C51 #51220C #18510C

split-complementary

#0C3B51 #510C18 #51440C

monochromatic

#04131B #04141C #0C3B51 #146286 #1C89BC

Accessibility & contrast

On white

11.93

#0C3B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#0C3B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3B51

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3B51	#FFFFFF	#000000	##FFFFFF
##0C3B51	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303A52

Deuteranopia (green-blind)

#273451

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0c3b51;
/* rgb */ color: rgb(12, 59, 81);
/* oklch */ color: oklch(33.3% 0.062 233.9);

Tailwind

colors: {
  custom: {
    50: '#587082',
    500: '#0c3b51',
    950: '#000000',
  },
}

SCSS

$custom: #0c3b51;
$custom-light: #587082;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3b51",
  "rgb": {
    "r": 12,
    "g": 59,
    "b": 81
  },
  "hsl": {
    "h": 199.13,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.3332,
    "c": 0.06187,
    "h": 233.9
  },
  "luminance": 0.038
}

Semantic roles & 50–950 ramp

primary

#0C3B51

secondary

#8C4B2C

accent

#7237F1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0C3B51

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

Preview Lab → · Contrast checker → · Palette generator →