#102E4B#102E4B

#102E4B is a dark, moderate cyan. Relative luminance 0.026; OKLCH L 29.5% C 0.064 H 250.2°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#102E4B
RGB	rgb(16, 46, 75)
HSL	hsl(209, 65%, 18%)
HSV	hsv(209, 79%, 29%)
CMYK	cmyk(78.7%, 38.7%, 0%, 70.6%)
CIE-LAB	lab(18.24, 0.32, -21.17)
CIE-LCH	lch(18.24, 21.17, 270.85°)
OKLab	oklab(29.48% -0.0216 -0.0601)
OKLCH	oklch(29.48% 0.064 250.2)
XYZ	xyz(2.4602, 2.5719, 7.0220)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102E4B #4B2D10

analogous

#104B4A #102E4B #10104B

triadic

#102E4B #4B102E #2E4B10

tetradic

#102E4B #4A104B #4B2D10 #104B10

square

#102E4B #4A104B #4B2D10 #104B10

split-complementary

#102E4B #4B1010 #4B4A10

monochromatic

#050F19 #050F19 #102E4B #1B4D7D #266CB0

Accessibility & contrast

On white

13.87

#102E4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#102E4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102E4B

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102E4B	#FFFFFF	#000000	##FFFFFF
##102E4B	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21304C

Deuteranopia (green-blind)

#182A4A

Tritanopia (blue-blind)

#003539

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102e4b;
/* rgb */ color: rgb(16, 46, 75);
/* oklch */ color: oklch(29.5% 0.064 250.2);

Tailwind

colors: {
  custom: {
    50: '#57667d',
    500: '#102e4b',
    950: '#000000',
  },
}

SCSS

$custom: #102e4b;
$custom-light: #57667d;
$custom-dark: #000000;

JSON

{
  "hex": "#102e4b",
  "rgb": {
    "r": 16,
    "g": 46,
    "b": 75
  },
  "hsl": {
    "h": 209.492,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.29481,
    "c": 0.06389,
    "h": 250.2
  },
  "luminance": 0.02572
}

Semantic roles & 50–950 ramp

primary

#102E4B

secondary

#855B32

accent

#9240E8

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030509

muted

#787A7B

Preview Lab

Preview with #102E4B

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

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