#0C1B53#0C1B53

#0C1B53 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.3% C 0.104 H 266.9°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#0C1B53
RGB	rgb(12, 27, 83)
HSL	hsl(227, 75%, 19%)
HSV	hsv(227, 86%, 33%)
CMYK	cmyk(85.5%, 67.5%, 0%, 67.5%)
CIE-LAB	lab(12.52, 17.46, -35.82)
CIE-LCH	lch(12.52, 39.85, 295.99°)
OKLab	oklab(25.26% -0.0057 -0.1036)
OKLCH	oklch(25.26% 0.104 266.9)
XYZ	xyz(2.1043, 1.4863, 8.3579)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1B53 #53440C

analogous

#0C3E53 #0C1B53 #200C53

triadic

#0C1B53 #530C1B #1B530C

tetradic

#0C1B53 #530C3E #53440C #0C5320

square

#0C1B53 #530C3E #53440C #0C5320

split-complementary

#0C1B53 #53200C #3E530C

monochromatic

#04091B #040A1E #0C1B53 #142C88 #1B3EBE

Accessibility & contrast

On white

16.19

#0C1B53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0C1B53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1B53

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1B53	#FFFFFF	#000000	##FFFFFF
##0C1B53	1.00	16.19	1.30	16.19
#FFFFFF	16.19	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002455

Deuteranopia (green-blind)

#001D52

Tritanopia (blue-blind)

#002A34

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0c1b53;
/* rgb */ color: rgb(12, 27, 83);
/* oklch */ color: oklch(25.3% 0.104 266.9);

Tailwind

colors: {
  custom: {
    50: '#595784',
    500: '#0c1b53',
    950: '#000000',
  },
}

SCSS

$custom: #0c1b53;
$custom-light: #595784;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1b53",
  "rgb": {
    "r": 12,
    "g": 27,
    "b": 83
  },
  "hsl": {
    "h": 227.324,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.25256,
    "c": 0.10377,
    "h": 266.9
  },
  "luminance": 0.01487
}

Semantic roles & 50–950 ramp

primary

#0C1B53

secondary

#8E7A2D

accent

#CA36F1

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #0C1B53

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

Preview Lab → · Contrast checker → · Palette generator →