#102F4D#102F4D

#102F4D is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 29.9% C 0.066 H 250.4°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#102F4D
RGB	rgb(16, 47, 77)
HSL	hsl(210, 66%, 18%)
HSV	hsv(210, 79%, 30%)
CMYK	cmyk(79.2%, 39%, 0%, 69.8%)
CIE-LAB	lab(18.71, 0.45, -21.78)
CIE-LCH	lch(18.71, 21.79, 271.20°)
OKLab	oklab(29.89% -0.0221 -0.0619)
OKLCH	oklch(29.89% 0.066 250.4)
XYZ	xyz(2.5693, 2.6787, 7.4014)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F4D #4D2E10

analogous

#104D4C #102F4D #10114D

triadic

#102F4D #4D102F #2F4D10

tetradic

#102F4D #4C104D #4D2E10 #114D10

square

#102F4D #4C104D #4D2E10 #114D10

split-complementary

#102F4D #4D1011 #4D4C10

monochromatic

#050F19 #05101A #102F4D #1B4E80 #256DB2

Accessibility & contrast

On white

13.67

#102F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#102F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F4D

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F4D	#FFFFFF	#000000	##FFFFFF
##102F4D	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21314E

Deuteranopia (green-blind)

#192B4C

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #102f4d;
/* rgb */ color: rgb(16, 47, 77);
/* oklch */ color: oklch(29.9% 0.066 250.4);

Tailwind

colors: {
  custom: {
    50: '#58677f',
    500: '#102f4d',
    950: '#000000',
  },
}

SCSS

$custom: #102f4d;
$custom-light: #58677f;
$custom-dark: #000000;

JSON

{
  "hex": "#102f4d",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 77
  },
  "hsl": {
    "h": 209.508,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.29888,
    "c": 0.06572,
    "h": 250.4
  },
  "luminance": 0.02679
}

Semantic roles & 50–950 ramp

primary

#102F4D

secondary

#875C32

accent

#933FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #102F4D

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

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