#0B3D4E#0B3D4E

#0B3D4E is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.7% C 0.058 H 226.0°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#0B3D4E
RGB	rgb(11, 61, 78)
HSL	hsl(195, 75%, 17%)
HSV	hsv(195, 86%, 31%)
CMYK	cmyk(85.9%, 21.8%, 0%, 69.4%)
CIE-LAB	lab(23.53, -9.27, -14.91)
CIE-LCH	lch(23.53, 17.56, 238.15°)
OKLab	oklab(33.69% -0.0404 -0.0419)
OKLCH	oklch(33.69% 0.058 226)
XYZ	xyz(3.1813, 3.9583, 7.8026)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3D4E #4E1C0B

analogous

#0B4E3E #0B3D4E #0B1B4E

triadic

#0B3D4E #4E0B3D #3D4E0B

tetradic

#0B3D4E #3E0B4E #4E1C0B #1B4E0B

square

#0B3D4E #3E0B4E #4E1C0B #1B4E0B

split-complementary

#0B3D4E #4E0B1B #4E3E0B

monochromatic

#04151B #04151B #0B3D4E #136784 #1A91B9

Accessibility & contrast

On white

11.72

#0B3D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#0B3D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3D4E

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3D4E	#FFFFFF	#000000	##FFFFFF
##0B3D4E	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343C4F

Deuteranopia (green-blind)

#2B354E

Tritanopia (blue-blind)

#004243

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0b3d4e;
/* rgb */ color: rgb(11, 61, 78);
/* oklch */ color: oklch(33.7% 0.058 226.0);

Tailwind

colors: {
  custom: {
    50: '#57727f',
    500: '#0b3d4e',
    950: '#000000',
  },
}

SCSS

$custom: #0b3d4e;
$custom-light: #57727f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3d4e",
  "rgb": {
    "r": 11,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 195.224,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.33691,
    "c": 0.05821,
    "h": 226
  },
  "luminance": 0.03959
}

Semantic roles & 50–950 ramp

primary

#0B3D4E

secondary

#8A432B

accent

#6636F2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0B3D4E

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

Preview Lab → · Contrast checker → · Palette generator →