#0B3E4D#0B3E4D

#0B3E4D is a dark, muted cyan. Relative luminance 0.041; OKLCH L 33.9% C 0.057 H 222.6°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#0B3E4D
RGB	rgb(11, 62, 77)
HSL	hsl(194, 75%, 17%)
HSV	hsv(194, 86%, 30%)
CMYK	cmyk(85.7%, 19.5%, 0%, 69.8%)
CIE-LAB	lab(23.84, -10.29, -13.77)
CIE-LCH	lch(23.84, 17.19, 233.24°)
OKLab	oklab(33.92% -0.042 -0.0386)
OKLCH	oklch(33.92% 0.057 222.6)
XYZ	xyz(3.1996, 4.0518, 7.6332)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3E4D #4D1A0B

analogous

#0B4D3B #0B3E4D #0B1D4D

triadic

#0B3E4D #4D0B3E #3E4D0B

tetradic

#0B3E4D #3B0B4D #4D1A0B #1D4D0B

square

#0B3E4D #3B0B4D #4D1A0B #1D4D0B

split-complementary

#0B3E4D #4D0B1D #4D3B0B

monochromatic

#04161B #04161B #0B3E4D #136983 #1A94B8

Accessibility & contrast

On white

11.60

#0B3E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0B3E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3E4D

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3E4D	#FFFFFF	#000000	##FFFFFF
##0B3E4D	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353C4E

Deuteranopia (green-blind)

#2D364D

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0b3e4d;
/* rgb */ color: rgb(11, 62, 77);
/* oklch */ color: oklch(33.9% 0.057 222.6);

Tailwind

colors: {
  custom: {
    50: '#57737e',
    500: '#0b3e4d',
    950: '#000000',
  },
}

SCSS

$custom: #0b3e4d;
$custom-light: #57737e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3e4d",
  "rgb": {
    "r": 11,
    "g": 62,
    "b": 77
  },
  "hsl": {
    "h": 193.636,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.33923,
    "c": 0.05705,
    "h": 222.6
  },
  "luminance": 0.04052
}

Semantic roles & 50–950 ramp

primary

#0B3E4D

secondary

#89402B

accent

#6136F2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0B3E4D

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

Preview Lab → · Contrast checker → · Palette generator →