#0B3C4D#0B3C4D

#0B3C4D is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.058 H 226.4°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#0B3C4D
RGB	rgb(11, 60, 77)
HSL	hsl(195, 75%, 17%)
HSV	hsv(195, 86%, 30%)
CMYK	cmyk(85.7%, 22.1%, 0%, 69.8%)
CIE-LAB	lab(23.13, -9.03, -14.87)
CIE-LCH	lch(23.13, 17.40, 238.73°)
OKLab	oklab(33.35% -0.0398 -0.0417)
OKLCH	oklch(33.35% 0.058 226.4)
XYZ	xyz(3.0929, 3.8383, 7.5976)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3C4D #4D1C0B

analogous

#0B4D3D #0B3C4D #0B1B4D

triadic

#0B3C4D #4D0B3C #3C4D0B

tetradic

#0B3C4D #3D0B4D #4D1C0B #1B4D0B

square

#0B3C4D #3D0B4D #4D1C0B #1B4D0B

split-complementary

#0B3C4D #4D0B1B #4D3D0B

monochromatic

#04151B #04151B #0B3C4D #136683 #1A8FB8

Accessibility & contrast

On white

11.88

#0B3C4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#0B3C4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3C4D

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3C4D	#FFFFFF	#000000	##FFFFFF
##0B3C4D	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4E

Deuteranopia (green-blind)

#2A344D

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0b3c4d;
/* rgb */ color: rgb(11, 60, 77);
/* oklch */ color: oklch(33.4% 0.058 226.4);

Tailwind

colors: {
  custom: {
    50: '#57717e',
    500: '#0b3c4d',
    950: '#000000',
  },
}

SCSS

$custom: #0b3c4d;
$custom-light: #57717e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3c4d",
  "rgb": {
    "r": 11,
    "g": 60,
    "b": 77
  },
  "hsl": {
    "h": 195.455,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.33352,
    "c": 0.05765,
    "h": 226.4
  },
  "luminance": 0.03839
}

Semantic roles & 50–950 ramp

primary

#0B3C4D

secondary

#89432B

accent

#6636F2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0B3C4D

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

Preview Lab → · Contrast checker → · Palette generator →