#102A3A#102A3A

#102A3A is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.3% C 0.044 H 238.3°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#102A3A
RGB	rgb(16, 42, 58)
HSL	hsl(203, 57%, 15%)
HSV	hsv(203, 72%, 23%)
CMYK	cmyk(72.4%, 27.6%, 0%, 77.3%)
CIE-LAB	lab(15.86, -3.92, -13.22)
CIE-LCH	lch(15.86, 13.79, 253.49°)
OKLab	oklab(27.29% -0.0229 -0.0371)
OKLCH	oklch(27.29% 0.044 238.3)
XYZ	xyz(1.8051, 2.0714, 4.3069)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A3A #3A2010

analogous

#103A35 #102A3A #10153A

triadic

#102A3A #3A102A #2A3A10

tetradic

#102A3A #35103A #3A2010 #153A10

square

#102A3A #35103A #3A2010 #153A10

split-complementary

#102A3A #3A1015 #3A3510

monochromatic

#071118 #071118 #102A3A #1D4D6A #2A6F9A

Accessibility & contrast

On white

14.85

#102A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#102A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A3A

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A3A	#FFFFFF	#000000	##FFFFFF
##102A3A	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232A3B

Deuteranopia (green-blind)

#1D263A

Tritanopia (blue-blind)

#002E2F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #102a3a;
/* rgb */ color: rgb(16, 42, 58);
/* oklch */ color: oklch(27.3% 0.044 238.3);

Tailwind

colors: {
  custom: {
    50: '#536370',
    500: '#102a3a',
    950: '#000000',
  },
}

SCSS

$custom: #102a3a;
$custom-light: #536370;
$custom-dark: #000000;

JSON

{
  "hex": "#102a3a",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 58
  },
  "hsl": {
    "h": 202.857,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.27286,
    "c": 0.0436,
    "h": 238.3
  },
  "luminance": 0.02072
}

Semantic roles & 50–950 ramp

primary

#102A3A

secondary

#744B32

accent

#8248E0

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#030507

muted

#78797A

Preview Lab

Preview with #102A3A

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

Preview Lab → · Contrast checker → · Palette generator →