#0B404B#0B404B

#0B404B is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.055 H 215.3°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#0B404B
RGB	rgb(11, 64, 75)
HSL	hsl(190, 74%, 17%)
HSV	hsv(190, 85%, 29%)
CMYK	cmyk(85.3%, 14.7%, 0%, 70.6%)
CIE-LAB	lab(24.47, -12.29, -11.49)
CIE-LCH	lch(24.47, 16.83, 223.08°)
OKLab	oklab(34.4% -0.0452 -0.0321)
OKLCH	oklch(34.4% 0.055 215.3)
XYZ	xyz(3.2409, 4.2455, 7.3039)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B404B #4B160B

analogous

#0B4B36 #0B404B #0B204B

triadic

#0B404B #4B0B40 #404B0B

tetradic

#0B404B #360B4B #4B160B #204B0B

square

#0B404B #360B4B #4B160B #204B0B

split-complementary

#0B404B #4B0B20 #4B360B

monochromatic

#04171B #04171B #0B404B #136E80 #1B9BB6

Accessibility & contrast

On white

11.36

#0B404B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0B404B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B404B

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B404B	#FFFFFF	#000000	##FFFFFF
##0B404B	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4C

Deuteranopia (green-blind)

#30374B

Tritanopia (blue-blind)

#004443

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0b404b;
/* rgb */ color: rgb(11, 64, 75);
/* oklch */ color: oklch(34.4% 0.055 215.3);

Tailwind

colors: {
  custom: {
    50: '#57757d',
    500: '#0b404b',
    950: '#000000',
  },
}

SCSS

$custom: #0b404b;
$custom-light: #57757d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b404b",
  "rgb": {
    "r": 11,
    "g": 64,
    "b": 75
  },
  "hsl": {
    "h": 190.313,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.34396,
    "c": 0.05545,
    "h": 215.3
  },
  "luminance": 0.04246
}

Semantic roles & 50–950 ramp

primary

#0B404B

secondary

#873B2B

accent

#5737F1

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #0B404B

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

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