#0C1F5F#0C1F5F

#0C1F5F is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.4% C 0.116 H 265.9°. Best body text is #FFFFFF at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#0C1F5F
RGB	rgb(12, 31, 95)
HSL	hsl(226, 78%, 21%)
HSV	hsv(226, 87%, 37%)
CMYK	cmyk(87.4%, 67.4%, 0%, 62.7%)
CIE-LAB	lab(14.87, 19.64, -40.06)
CIE-LCH	lch(14.87, 44.61, 296.12°)
OKLab	oklab(27.36% -0.0084 -0.116)
OKLCH	oklch(27.36% 0.116 265.9)
XYZ	xyz(2.7064, 1.8840, 11.0453)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1F5F #5F4C0C

analogous

#0C485F #0C1F5F #220C5F

triadic

#0C1F5F #5F0C1F #1F5F0C

tetradic

#0C1F5F #5F0C48 #5F4C0C #0C5F22

square

#0C1F5F #5F0C48 #5F4C0C #0C5F22

split-complementary

#0C1F5F #5F220C #485F0C

monochromatic

#03091B #050D29 #0C1F5F #133195 #1A42CC

Accessibility & contrast

On white

15.25

#0C1F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#0C1F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1F5F

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1F5F	#FFFFFF	#000000	##FFFFFF
##0C1F5F	1.00	15.25	1.38	15.25
#FFFFFF	15.25	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002961

Deuteranopia (green-blind)

#00225E

Tritanopia (blue-blind)

#00303B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0c1f5f;
/* rgb */ color: rgb(12, 31, 95);
/* oklch */ color: oklch(27.4% 0.116 265.9);

Tailwind

colors: {
  custom: {
    50: '#5c5a8d',
    500: '#0c1f5f',
    950: '#000000',
  },
}

SCSS

$custom: #0c1f5f;
$custom-light: #5c5a8d;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1f5f",
  "rgb": {
    "r": 12,
    "g": 31,
    "b": 95
  },
  "hsl": {
    "h": 226.265,
    "s": 77.57,
    "l": 20.98
  },
  "oklch": {
    "l": 0.27359,
    "c": 0.11626,
    "h": 265.9
  },
  "luminance": 0.01884
}

Semantic roles & 50–950 ramp

primary

#0C1F5F

secondary

#99812D

accent

#C834F4

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0C1F5F

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

Preview Lab → · Contrast checker → · Palette generator →