#0B404E#0B404E

#0B404E is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.5% C 0.057 H 220.3°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#0B404E
RGB	rgb(11, 64, 78)
HSL	hsl(193, 75%, 17%)
HSV	hsv(193, 86%, 31%)
CMYK	cmyk(85.9%, 17.9%, 0%, 69.4%)
CIE-LAB	lab(24.60, -11.13, -13.27)
CIE-LCH	lch(24.60, 17.32, 230.00°)
OKLab	oklab(34.55% -0.0438 -0.0371)
OKLCH	oklch(34.55% 0.057 220.3)
XYZ	xyz(3.3460, 4.2876, 7.8575)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B404E #4E190B

analogous

#0B4E3A #0B404E #0B1F4E

triadic

#0B404E #4E0B40 #404E0B

tetradic

#0B404E #3A0B4E #4E190B #1F4E0B

square

#0B404E #3A0B4E #4E190B #1F4E0B

split-complementary

#0B404E #4E0B1F #4E3A0B

monochromatic

#04161B #04161B #0B404E #136C84 #1A98B9

Accessibility & contrast

On white

11.30

#0B404E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#0B404E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B404E

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B404E	#FFFFFF	#000000	##FFFFFF
##0B404E	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E4F

Deuteranopia (green-blind)

#2F384E

Tritanopia (blue-blind)

#004544

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0b404e;
/* rgb */ color: rgb(11, 64, 78);
/* oklch */ color: oklch(34.5% 0.057 220.3);

Tailwind

colors: {
  custom: {
    50: '#57757f',
    500: '#0b404e',
    950: '#000000',
  },
}

SCSS

$custom: #0b404e;
$custom-light: #57757f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b404e",
  "rgb": {
    "r": 11,
    "g": 64,
    "b": 78
  },
  "hsl": {
    "h": 192.537,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.34548,
    "c": 0.05744,
    "h": 220.3
  },
  "luminance": 0.04288
}

Semantic roles & 50–950 ramp

primary

#0B404E

secondary

#8A3F2B

accent

#5D36F2

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0B404E

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

Preview Lab → · Contrast checker → · Palette generator →