#0B3D4D#0B3D4D

#0B3D4D is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.057 H 224.5°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#0B3D4D
RGB	rgb(11, 61, 77)
HSL	hsl(195, 75%, 17%)
HSV	hsv(195, 86%, 30%)
CMYK	cmyk(85.7%, 20.8%, 0%, 69.8%)
CIE-LAB	lab(23.49, -9.66, -14.32)
CIE-LCH	lch(23.49, 17.28, 235.99°)
OKLab	oklab(33.64% -0.0409 -0.0402)
OKLCH	oklch(33.64% 0.057 224.5)
XYZ	xyz(3.1458, 3.9441, 7.6152)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3D4D #4D1B0B

analogous

#0B4D3C #0B3D4D #0B1C4D

triadic

#0B3D4D #4D0B3D #3D4D0B

tetradic

#0B3D4D #3C0B4D #4D1B0B #1C4D0B

square

#0B3D4D #3C0B4D #4D1B0B #1C4D0B

split-complementary

#0B3D4D #4D0B1C #4D3C0B

monochromatic

#04151B #04151B #0B3D4D #136783 #1A92B8

Accessibility & contrast

On white

11.74

#0B3D4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#0B3D4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3D4D

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3D4D	#FFFFFF	#000000	##FFFFFF
##0B3D4D	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343B4E

Deuteranopia (green-blind)

#2B354D

Tritanopia (blue-blind)

#004242

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0b3d4d;
/* rgb */ color: rgb(11, 61, 77);
/* oklch */ color: oklch(33.6% 0.057 224.5);

Tailwind

colors: {
  custom: {
    50: '#57727e',
    500: '#0b3d4d',
    950: '#000000',
  },
}

SCSS

$custom: #0b3d4d;
$custom-light: #57727e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3d4d",
  "rgb": {
    "r": 11,
    "g": 61,
    "b": 77
  },
  "hsl": {
    "h": 194.545,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.33638,
    "c": 0.05732,
    "h": 224.5
  },
  "luminance": 0.03944
}

Semantic roles & 50–950 ramp

primary

#0B3D4D

secondary

#89422B

accent

#6436F2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0B3D4D

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

Preview Lab → · Contrast checker → · Palette generator →