#0B2F4A#0B2F4A

#0B2F4A is a dark, moderate cyan. Relative luminance 0.026; OKLCH L 29.5% C 0.063 H 245.4°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#0B2F4A
RGB	rgb(11, 47, 74)
HSL	hsl(206, 74%, 17%)
HSV	hsv(206, 85%, 29%)
CMYK	cmyk(85.1%, 36.5%, 0%, 71%)
CIE-LAB	lab(18.36, -1.61, -20.32)
CIE-LCH	lch(18.36, 20.38, 265.48°)
OKLab	oklab(29.51% -0.0265 -0.0577)
OKLCH	oklch(29.51% 0.063 245.4)
XYZ	xyz(2.3901, 2.5983, 6.8528)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2F4A #4A260B

analogous

#0B4A46 #0B2F4A #0B104A

triadic

#0B2F4A #4A0B2F #2F4A0B

tetradic

#0B2F4A #460B4A #4A260B #104A0B

square

#0B2F4A #460B4A #4A260B #104A0B

split-complementary

#0B2F4A #4A0B10 #4A460B

monochromatic

#04111B #04111B #0B2F4A #13517F #1B73B5

Accessibility & contrast

On white

13.82

#0B2F4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0B2F4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2F4A

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2F4A	#FFFFFF	#000000	##FFFFFF
##0B2F4A	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23304B

Deuteranopia (green-blind)

#1A2A49

Tritanopia (blue-blind)

#003639

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0b2f4a;
/* rgb */ color: rgb(11, 47, 74);
/* oklch */ color: oklch(29.5% 0.063 245.4);

Tailwind

colors: {
  custom: {
    50: '#55677c',
    500: '#0b2f4a',
    950: '#000000',
  },
}

SCSS

$custom: #0b2f4a;
$custom-light: #55677c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2f4a",
  "rgb": {
    "r": 11,
    "g": 47,
    "b": 74
  },
  "hsl": {
    "h": 205.714,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.29505,
    "c": 0.06347,
    "h": 245.4
  },
  "luminance": 0.02599
}

Semantic roles & 50–950 ramp

primary

#0B2F4A

secondary

#86522B

accent

#8737F1

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B2F4A

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

Preview Lab → · Contrast checker → · Palette generator →