#102F4E#102F4E

#102F4E is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 30.0% C 0.067 H 251.1°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#102F4E
RGB	rgb(16, 47, 78)
HSL	hsl(210, 66%, 18%)
HSV	hsv(210, 79%, 31%)
CMYK	cmyk(79.5%, 39.7%, 0%, 69.4%)
CIE-LAB	lab(18.77, 0.88, -22.36)
CIE-LCH	lch(18.77, 22.38, 272.25°)
OKLab	oklab(29.96% -0.0218 -0.0636)
OKLCH	oklch(29.96% 0.067 251.1)
XYZ	xyz(2.6048, 2.6930, 7.5888)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F4E #4E2F10

analogous

#104E4E #102F4E #10104E

triadic

#102F4E #4E102F #2F4E10

tetradic

#102F4E #4E104E #4E2F10 #104E10

square

#102F4E #4E104E #4E2F10 #104E10

split-complementary

#102F4E #4E1010 #4E4E10

monochromatic

#050F19 #06101B #102F4E #1A4E81 #256CB4

Accessibility & contrast

On white

13.65

#102F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#102F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F4E

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F4E	#FFFFFF	#000000	##FFFFFF
##102F4E	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21314F

Deuteranopia (green-blind)

#182B4D

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #102f4e;
/* rgb */ color: rgb(16, 47, 78);
/* oklch */ color: oklch(30.0% 0.067 251.1);

Tailwind

colors: {
  custom: {
    50: '#586780',
    500: '#102f4e',
    950: '#000000',
  },
}

SCSS

$custom: #102f4e;
$custom-light: #586780;
$custom-dark: #000000;

JSON

{
  "hex": "#102f4e",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 78
  },
  "hsl": {
    "h": 210,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.29956,
    "c": 0.06722,
    "h": 251.1
  },
  "luminance": 0.02693
}

Semantic roles & 50–950 ramp

primary

#102F4E

secondary

#885D32

accent

#943FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #102F4E

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

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