#102B66#102B66

#102B66 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.9% C 0.109 H 263.0°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#102B66
RGB	rgb(16, 43, 102)
HSL	hsl(221, 73%, 23%)
HSV	hsv(221, 84%, 40%)
CMYK	cmyk(84.3%, 57.8%, 0%, 60%)
CIE-LAB	lab(19.21, 14.18, -37.58)
CIE-LCH	lch(19.21, 40.17, 290.67°)
OKLab	oklab(30.85% -0.0132 -0.1084)
OKLCH	oklch(30.85% 0.109 263)
XYZ	xyz(3.4750, 2.7968, 12.9245)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102B66 #664B10

analogous

#105666 #102B66 #201066

triadic

#102B66 #66102B #2B6610

tetradic

#102B66 #661056 #664B10 #106620

square

#102B66 #661056 #664B10 #106620

split-complementary

#102B66 #662010 #566610

monochromatic

#040B1A #081531 #102B66 #18419B #2158D0

Accessibility & contrast

On white

13.47

#102B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#102B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102B66

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102B66	#FFFFFF	#000000	##FFFFFF
##102B66	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003368

Deuteranopia (green-blind)

#002B65

Tritanopia (blue-blind)

#003A44

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #102b66;
/* rgb */ color: rgb(16, 43, 102);
/* oklch */ color: oklch(30.9% 0.109 263.0);

Tailwind

colors: {
  custom: {
    50: '#5e6392',
    500: '#102b66',
    950: '#000000',
  },
}

SCSS

$custom: #102b66;
$custom-light: #5e6392;
$custom-dark: #000000;

JSON

{
  "hex": "#102b66",
  "rgb": {
    "r": 16,
    "g": 43,
    "b": 102
  },
  "hsl": {
    "h": 221.163,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.30854,
    "c": 0.10922,
    "h": 263
  },
  "luminance": 0.02797
}

Semantic roles & 50–950 ramp

primary

#102B66

secondary

#9E7D33

accent

#B638F0

background

#F5F5F9

surface

#EAEAF1

border

#C6C6CB

text

#05050D

muted

#79797E

Preview Lab

Preview with #102B66

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

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