#102A3B#102A3B

#102A3B is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.3% C 0.045 H 239.9°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#102A3B
RGB	rgb(16, 42, 59)
HSL	hsl(204, 57%, 15%)
HSV	hsv(204, 73%, 23%)
CMYK	cmyk(72.9%, 28.8%, 0%, 76.9%)
CIE-LAB	lab(15.91, -3.51, -13.83)
CIE-LCH	lch(15.91, 14.27, 255.75°)
OKLab	oklab(27.35% -0.0225 -0.0389)
OKLCH	oklch(27.35% 0.045 239.9)
XYZ	xyz(1.8308, 2.0817, 4.4421)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A3B #3B2110

analogous

#103B37 #102A3B #10153B

triadic

#102A3B #3B102A #2A3B10

tetradic

#102A3B #37103B #3B2110 #153B10

square

#102A3B #37103B #3B2110 #153B10

split-complementary

#102A3B #3B1015 #3B3710

monochromatic

#071118 #071118 #102A3B #1D4C6B #2A6F9B

Accessibility & contrast

On white

14.83

#102A3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#102A3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A3B

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A3B	#FFFFFF	#000000	##FFFFFF
##102A3B	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222A3C

Deuteranopia (green-blind)

#1C263B

Tritanopia (blue-blind)

#002E30

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #102a3b;
/* rgb */ color: rgb(16, 42, 59);
/* oklch */ color: oklch(27.3% 0.045 239.9);

Tailwind

colors: {
  custom: {
    50: '#536371',
    500: '#102a3b',
    950: '#000000',
  },
}

SCSS

$custom: #102a3b;
$custom-light: #536371;
$custom-dark: #000000;

JSON

{
  "hex": "#102a3b",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 59
  },
  "hsl": {
    "h": 203.721,
    "s": 57.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.27345,
    "c": 0.04491,
    "h": 239.9
  },
  "luminance": 0.02082
}

Semantic roles & 50–950 ramp

primary

#102A3B

secondary

#754C32

accent

#8447E1

background

#F4F5F6

surface

#E8EAEC

border

#C4C6C7

text

#030507

muted

#78797A

Preview Lab

Preview with #102A3B

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

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