#0B274F#0B274F

#0B274F is a dark, moderate blue. Relative luminance 0.021; OKLCH L 27.7% C 0.081 H 258.0°. Best body text is #FFFFFF at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#0B274F
RGB	rgb(11, 39, 79)
HSL	hsl(215, 76%, 18%)
HSV	hsv(215, 86%, 31%)
CMYK	cmyk(86.1%, 50.6%, 0%, 69%)
CIE-LAB	lab(15.93, 6.43, -27.57)
CIE-LCH	lch(15.93, 28.31, 283.13°)
OKLab	oklab(27.72% -0.0168 -0.0791)
OKLCH	oklch(27.72% 0.081 258)
XYZ	xyz(2.2743, 2.0864, 7.6785)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B274F #4F330B

analogous

#0B494F #0B274F #110B4F

triadic

#0B274F #4F0B27 #274F0B

tetradic

#0B274F #4F0B49 #4F330B #0B4F11

square

#0B274F #4F0B49 #4F330B #0B4F11

split-complementary

#0B274F #4F110B #494F0B

monochromatic

#040D1B #040D1B #0B274F #124285 #1A5CBA

Accessibility & contrast

On white

14.82

#0B274F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0B274F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B274F

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B274F	#FFFFFF	#000000	##FFFFFF
##0B274F	1.00	14.82	1.42	14.82
#FFFFFF	14.82	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122B51

Deuteranopia (green-blind)

#03254E

Tritanopia (blue-blind)

#003137

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0b274f;
/* rgb */ color: rgb(11, 39, 79);
/* oklch */ color: oklch(27.7% 0.081 258.0);

Tailwind

colors: {
  custom: {
    50: '#566081',
    500: '#0b274f',
    950: '#000000',
  },
}

SCSS

$custom: #0b274f;
$custom-light: #566081;
$custom-dark: #000000;

JSON

{
  "hex": "#0b274f",
  "rgb": {
    "r": 11,
    "g": 39,
    "b": 79
  },
  "hsl": {
    "h": 215.294,
    "s": 75.556,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27721,
    "c": 0.0809,
    "h": 258
  },
  "luminance": 0.02087
}

Semantic roles & 50–950 ramp

primary

#0B274F

secondary

#8B632B

accent

#A536F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #0B274F

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

Preview Lab → · Contrast checker → · Palette generator →