#0B4152#0B4152

#0B4152 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.0% C 0.060 H 224.4°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#0B4152
RGB	rgb(11, 65, 82)
HSL	hsl(194, 76%, 18%)
HSV	hsv(194, 87%, 32%)
CMYK	cmyk(86.6%, 20.7%, 0%, 67.8%)
CIE-LAB	lab(25.14, -10.18, -15.06)
CIE-LCH	lch(25.14, 18.18, 235.96°)
OKLab	oklab(35.04% -0.0431 -0.0423)
OKLCH	oklch(35.04% 0.06 224.4)
XYZ	xyz(3.5507, 4.4605, 8.6548)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4152 #521C0B

analogous

#0B523F #0B4152 #0B1D52

triadic

#0B4152 #520B41 #41520B

tetradic

#0B4152 #3F0B52 #521C0B #1D520B

square

#0B4152 #3F0B52 #521C0B #1D520B

split-complementary

#0B4152 #520B1D #523F0B

monochromatic

#04151B #04161C #0B4152 #126C88 #1997BE

Accessibility & contrast

On white

11.10

#0B4152 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#0B4152 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4152

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4152	#FFFFFF	#000000	##FFFFFF
##0B4152	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373F53

Deuteranopia (green-blind)

#2E3952

Tritanopia (blue-blind)

#004647

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #0b4152;
/* rgb */ color: rgb(11, 65, 82);
/* oklch */ color: oklch(35.0% 0.060 224.4);

Tailwind

colors: {
  custom: {
    50: '#587582',
    500: '#0b4152',
    950: '#000000',
  },
}

SCSS

$custom: #0b4152;
$custom-light: #587582;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4152",
  "rgb": {
    "r": 11,
    "g": 65,
    "b": 82
  },
  "hsl": {
    "h": 194.366,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.35041,
    "c": 0.0604,
    "h": 224.4
  },
  "luminance": 0.04461
}

Semantic roles & 50–950 ramp

primary

#0B4152

secondary

#8E432B

accent

#6235F3

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0B4152

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

Preview Lab → · Contrast checker → · Palette generator →