#102A63#102A63

#102A63 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.4% C 0.106 H 263.1°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#102A63
RGB	rgb(16, 42, 99)
HSL	hsl(221, 72%, 23%)
HSV	hsv(221, 84%, 39%)
CMYK	cmyk(83.8%, 57.6%, 0%, 61.2%)
CIE-LAB	lab(18.66, 13.62, -36.52)
CIE-LCH	lch(18.66, 38.98, 290.46°)
OKLab	oklab(30.35% -0.0127 -0.1053)
OKLCH	oklch(30.35% 0.106 263.1)
XYZ	xyz(3.2930, 2.6666, 12.1431)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A63 #634910

analogous

#105363 #102A63 #201063

triadic

#102A63 #63102A #2A6310

tetradic

#102A63 #631053 #634910 #106320

square

#102A63 #631053 #634910 #106320

split-complementary

#102A63 #632010 #536310

monochromatic

#040B1A #07142E #102A63 #194098 #2157CC

Accessibility & contrast

On white

13.70

#102A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#102A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A63

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A63	#FFFFFF	#000000	##FFFFFF
##102A63	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003165

Deuteranopia (green-blind)

#002A62

Tritanopia (blue-blind)

#003842

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102a63;
/* rgb */ color: rgb(16, 42, 99);
/* oklch */ color: oklch(30.4% 0.106 263.1);

Tailwind

colors: {
  custom: {
    50: '#5e6390',
    500: '#102a63',
    950: '#000000',
  },
}

SCSS

$custom: #102a63;
$custom-light: #5e6390;
$custom-dark: #000000;

JSON

{
  "hex": "#102a63",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 99
  },
  "hsl": {
    "h": 221.205,
    "s": 72.174,
    "l": 22.549
  },
  "oklch": {
    "l": 0.30355,
    "c": 0.10608,
    "h": 263.1
  },
  "luminance": 0.02667
}

Semantic roles & 50–950 ramp

primary

#102A63

secondary

#9C7B33

accent

#B639EF

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #102A63

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

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