#102F4F#102F4F

#102F4F is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 30.0% C 0.069 H 251.8°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#102F4F
RGB	rgb(16, 47, 79)
HSL	hsl(210, 66%, 19%)
HSV	hsv(210, 80%, 31%)
CMYK	cmyk(79.7%, 40.5%, 0%, 69%)
CIE-LAB	lab(18.83, 1.31, -22.93)
CIE-LCH	lch(18.83, 22.97, 273.26°)
OKLab	oklab(30.03% -0.0215 -0.0653)
OKLCH	oklch(30.03% 0.069 251.8)
XYZ	xyz(2.6410, 2.7074, 7.7790)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F4F #4F3010

analogous

#104E4F #102F4F #10104F

triadic

#102F4F #4F102F #2F4F10

tetradic

#102F4F #4F104E #4F3010 #104F10

square

#102F4F #4F104E #4F3010 #104F10

split-complementary

#102F4F #4F1010 #4E4F10

monochromatic

#050F19 #06111C #102F4F #1A4D82 #256CB5

Accessibility & contrast

On white

13.62

#102F4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#102F4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F4F

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F4F	#FFFFFF	#000000	##FFFFFF
##102F4F	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203150

Deuteranopia (green-blind)

#172B4E

Tritanopia (blue-blind)

#00373B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #102f4f;
/* rgb */ color: rgb(16, 47, 79);
/* oklch */ color: oklch(30.0% 0.069 251.8);

Tailwind

colors: {
  custom: {
    50: '#586780',
    500: '#102f4f',
    950: '#000000',
  },
}

SCSS

$custom: #102f4f;
$custom-light: #586780;
$custom-dark: #000000;

JSON

{
  "hex": "#102f4f",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 79
  },
  "hsl": {
    "h": 210.476,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.30025,
    "c": 0.06871,
    "h": 251.8
  },
  "luminance": 0.02708
}

Semantic roles & 50–950 ramp

primary

#102F4F

secondary

#895E32

accent

#953FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #102F4F

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

Preview Lab → · Contrast checker → · Palette generator →