#0B3048#0B3048

#0B3048 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.7% C 0.060 H 241.7°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#0B3048
RGB	rgb(11, 48, 72)
HSL	hsl(204, 73%, 16%)
HSV	hsv(204, 85%, 28%)
CMYK	cmyk(84.7%, 33.3%, 0%, 71.8%)
CIE-LAB	lab(18.60, -3.16, -18.59)
CIE-LCH	lch(18.60, 18.85, 260.34°)
OKLab	oklab(29.65% -0.0283 -0.0526)
OKLCH	oklch(29.65% 0.06 241.7)
XYZ	xyz(2.3642, 2.6527, 6.5170)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3048 #48230B

analogous

#0B4842 #0B3048 #0B1248

triadic

#0B3048 #480B30 #30480B

tetradic

#0B3048 #420B48 #48230B #12480B

square

#0B3048 #420B48 #48230B #12480B

split-complementary

#0B3048 #480B12 #48420B

monochromatic

#04121B #04121B #0B3048 #13537D #1B77B2

Accessibility & contrast

On white

13.72

#0B3048 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0B3048 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3048

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3048	#FFFFFF	#000000	##FFFFFF
##0B3048	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253049

Deuteranopia (green-blind)

#1C2B48

Tritanopia (blue-blind)

#003638

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0b3048;
/* rgb */ color: rgb(11, 48, 72);
/* oklch */ color: oklch(29.7% 0.060 241.7);

Tailwind

colors: {
  custom: {
    50: '#55687b',
    500: '#0b3048',
    950: '#000000',
  },
}

SCSS

$custom: #0b3048;
$custom-light: #55687b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3048",
  "rgb": {
    "r": 11,
    "g": 48,
    "b": 72
  },
  "hsl": {
    "h": 203.607,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.29654,
    "c": 0.05974,
    "h": 241.7
  },
  "luminance": 0.02653
}

Semantic roles & 50–950 ramp

primary

#0B3048

secondary

#844E2A

accent

#8038F0

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B3048

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

Preview Lab → · Contrast checker → · Palette generator →