#0B2B4F#0B2B4F

#0B2B4F is a dark, moderate cyan. Relative luminance 0.024; OKLCH L 28.8% C 0.076 H 254.1°. Best body text is #FFFFFF at 14.26:1 contrast (WCAG AA passes).

Color values

HEX	#0B2B4F
RGB	rgb(11, 43, 79)
HSL	hsl(212, 76%, 18%)
HSV	hsv(212, 86%, 31%)
CMYK	cmyk(86.1%, 45.6%, 0%, 69%)
CIE-LAB	lab(17.29, 3.46, -25.40)
CIE-LCH	lch(17.29, 25.64, 277.76°)
OKLab	oklab(28.77% -0.0207 -0.0727)
OKLCH	oklch(28.77% 0.076 254.1)
XYZ	xyz(2.4126, 2.3631, 7.7246)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2B4F #4F2F0B

analogous

#0B4D4F #0B2B4F #0D0B4F

triadic

#0B2B4F #4F0B2B #2B4F0B

tetradic

#0B2B4F #4F0B4D #4F2F0B #0B4F0D

square

#0B2B4F #4F0B4D #4F2F0B #0B4F0D

split-complementary

#0B2B4F #4F0D0B #4D4F0B

monochromatic

#040F1B #040F1B #0B2B4F #124885 #1A65BA

Accessibility & contrast

On white

14.26

#0B2B4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#0B2B4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2B4F

14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2B4F	#FFFFFF	#000000	##FFFFFF
##0B2B4F	1.00	14.26	1.47	14.26
#FFFFFF	14.26	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192E50

Deuteranopia (green-blind)

#0D284E

Tritanopia (blue-blind)

#003439

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0b2b4f;
/* rgb */ color: rgb(11, 43, 79);
/* oklch */ color: oklch(28.8% 0.076 254.1);

Tailwind

colors: {
  custom: {
    50: '#566380',
    500: '#0b2b4f',
    950: '#000000',
  },
}

SCSS

$custom: #0b2b4f;
$custom-light: #566380;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2b4f",
  "rgb": {
    "r": 11,
    "g": 43,
    "b": 79
  },
  "hsl": {
    "h": 211.765,
    "s": 75.556,
    "l": 17.647
  },
  "oklch": {
    "l": 0.2877,
    "c": 0.07556,
    "h": 254.1
  },
  "luminance": 0.02363
}

Semantic roles & 50–950 ramp

primary

#0B2B4F

secondary

#8B5E2B

accent

#9936F2

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0B2B4F

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

Preview Lab → · Contrast checker → · Palette generator →