#102F4C#102F4C

#102F4C is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.064 H 249.6°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#102F4C
RGB	rgb(16, 47, 76)
HSL	hsl(209, 65%, 18%)
HSV	hsv(209, 79%, 30%)
CMYK	cmyk(78.9%, 38.2%, 0%, 70.2%)
CIE-LAB	lab(18.65, 0.03, -21.20)
CIE-LCH	lch(18.65, 21.20, 270.08°)
OKLab	oklab(29.82% -0.0224 -0.0602)
OKLCH	oklch(29.82% 0.064 249.6)
XYZ	xyz(2.5342, 2.6647, 7.2169)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F4C #4C2D10

analogous

#104C4B #102F4C #10114C

triadic

#102F4C #4C102F #2F4C10

tetradic

#102F4C #4B104C #4C2D10 #114C10

square

#102F4C #4B104C #4C2D10 #114C10

split-complementary

#102F4C #4C1011 #4C4B10

monochromatic

#051019 #051019 #102F4C #1B4E7F #256EB1

Accessibility & contrast

On white

13.70

#102F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#102F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F4C

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F4C	#FFFFFF	#000000	##FFFFFF
##102F4C	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22304D

Deuteranopia (green-blind)

#192B4B

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102f4c;
/* rgb */ color: rgb(16, 47, 76);
/* oklch */ color: oklch(29.8% 0.064 249.6);

Tailwind

colors: {
  custom: {
    50: '#57677e',
    500: '#102f4c',
    950: '#000000',
  },
}

SCSS

$custom: #102f4c;
$custom-light: #57677e;
$custom-dark: #000000;

JSON

{
  "hex": "#102f4c",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 76
  },
  "hsl": {
    "h": 209,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.2982,
    "c": 0.06425,
    "h": 249.6
  },
  "luminance": 0.02665
}

Semantic roles & 50–950 ramp

primary

#102F4C

secondary

#865B32

accent

#9140E8

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03060A

muted

#787A7C

Preview Lab

Preview with #102F4C

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

Preview Lab → · Contrast checker → · Palette generator →