#102D4C#102D4C

#102D4C is a dark, moderate cyan. Relative luminance 0.025; OKLCH L 29.3% C 0.067 H 252.4°. Best body text is #FFFFFF at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#102D4C
RGB	rgb(16, 45, 76)
HSL	hsl(211, 65%, 18%)
HSV	hsv(211, 79%, 30%)
CMYK	cmyk(78.9%, 40.8%, 0%, 70.2%)
CIE-LAB	lab(17.96, 1.46, -22.30)
CIE-LCH	lch(17.96, 22.34, 273.74°)
OKLab	oklab(29.28% -0.0201 -0.0634)
OKLCH	oklch(29.28% 0.067 252.4)
XYZ	xyz(2.4561, 2.5085, 7.1908)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102D4C #4C2F10

analogous

#104B4C #102D4C #11104C

triadic

#102D4C #4C102D #2D4C10

tetradic

#102D4C #4C104B #4C2F10 #104C11

square

#102D4C #4C104B #4C2F10 #104C11

split-complementary

#102D4C #4C1110 #4B4C10

monochromatic

#050F19 #050F19 #102D4C #1B4B7F #2569B1

Accessibility & contrast

On white

13.98

#102D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#102D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102D4C

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102D4C	#FFFFFF	#000000	##FFFFFF
##102D4C	1.00	13.98	1.50	13.98
#FFFFFF	13.98	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F2F4D

Deuteranopia (green-blind)

#16294B

Tritanopia (blue-blind)

#003438

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #102d4c;
/* rgb */ color: rgb(16, 45, 76);
/* oklch */ color: oklch(29.3% 0.067 252.4);

Tailwind

colors: {
  custom: {
    50: '#57657e',
    500: '#102d4c',
    950: '#000000',
  },
}

SCSS

$custom: #102d4c;
$custom-light: #57657e;
$custom-dark: #000000;

JSON

{
  "hex": "#102d4c",
  "rgb": {
    "r": 16,
    "g": 45,
    "b": 76
  },
  "hsl": {
    "h": 211,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.29279,
    "c": 0.06656,
    "h": 252.4
  },
  "luminance": 0.02509
}

Semantic roles & 50–950 ramp

primary

#102D4C

secondary

#865D32

accent

#9740E8

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03050A

muted

#787A7C

Preview Lab

Preview with #102D4C

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

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