#0B273B#0B273B

#0B273B is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.3% C 0.050 H 243.2°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX#0B273B
RGBrgb(11, 39, 59)
HSLhsl(205, 69%, 14%)
HSVhsv(205, 81%, 23%)
CMYKcmyk(81.4%, 33.9%, 0%, 76.9%)
CIE-LABlab(14.61, -2.42, -15.88)
CIE-LCHlch(14.61, 16.06, 261.35°)
OKLaboklab(26.26% -0.0227 -0.0449)
OKLCHoklch(26.26% 0.05 243.2)
XYZxyz(1.6526, 1.8378, 4.4045)
Luminance0.0184 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B273B #3B1F0B
analogous
#0B3B37 #0B273B #0B0F3B
triadic
#0B273B #3B0B27 #273B0B
tetradic
#0B273B #370B3B #3B1F0B #0F3B0B
square
#0B273B #370B3B #3B1F0B #0F3B0B
split-complementary
#0B273B #3B0B0F #3B370B
monochromatic
#05111A #05111A #0B273B #15496F #1E6BA2

Accessibility & contrast

On white

15.36
#0B273B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.37
#0B273B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B273B
15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B273B#FFFFFF#000000##FFFFFF
##0B273B1.0015.361.3715.36
#FFFFFF15.361.0021.001.00
#0000001.3721.001.0021.00
##FFFFFF15.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E273C
Deuteranopia (green-blind)
#17233B
Tritanopia (blue-blind)
#002C2E
Achromatopsia (no color)
#252525

Design tokens & code

CSS
--color: #0b273b;
/* rgb */ color: rgb(11, 39, 59);
/* oklch */ color: oklch(26.3% 0.050 243.2);
Tailwind
colors: {
  custom: {
    50: '#516071',
    500: '#0b273b',
    950: '#000000',
  },
}
SCSS
$custom: #0b273b;
$custom-light: #516071;
$custom-dark: #000000;
JSON
{
  "hex": "#0b273b",
  "rgb": {
    "r": 11,
    "g": 39,
    "b": 59
  },
  "hsl": {
    "h": 205,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.26259,
    "c": 0.05029,
    "h": 243.2
  },
  "luminance": 0.01838
}

Semantic roles & 50–950 ramp

primary
#0B273B
secondary
#784A2A
accent
#853CEB
background
#F4F5F6
surface
#E7E9EC
border
#C3C5C7
text
#020507
muted
#78797A

Preview Lab

Preview with #0B273B

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

Preview Lab → · Contrast checker → · Palette generator →

#0B273B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva