#102E5B#102E5B

#102E5B is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.7% C 0.088 H 258.6°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#102E5B
RGB	rgb(16, 46, 91)
HSL	hsl(216, 70%, 21%)
HSV	hsv(216, 82%, 36%)
CMYK	cmyk(82.4%, 49.5%, 0%, 64.3%)
CIE-LAB	lab(19.30, 7.20, -30.19)
CIE-LCH	lch(19.30, 31.04, 283.42°)
OKLab	oklab(30.65% -0.0174 -0.0866)
OKLCH	oklch(30.65% 0.088 258.6)
XYZ	xyz(3.0783, 2.8191, 10.2774)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102E5B #5B3D10

analogous

#10535B #102E5B #17105B

triadic

#102E5B #5B102E #2E5B10

tetradic

#102E5B #5B1053 #5B3D10 #105B17

square

#102E5B #5B1053 #5B3D10 #105B17

split-complementary

#102E5B #5B1710 #535B10

monochromatic

#050D1A #071427 #102E5B #19488F #2263C3

Accessibility & contrast

On white

13.43

#102E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#102E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102E5B

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102E5B	#FFFFFF	#000000	##FFFFFF
##102E5B	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16325D

Deuteranopia (green-blind)

#052C5A

Tritanopia (blue-blind)

#003940

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #102e5b;
/* rgb */ color: rgb(16, 46, 91);
/* oklch */ color: oklch(30.7% 0.088 258.6);

Tailwind

colors: {
  custom: {
    50: '#5b668a',
    500: '#102e5b',
    950: '#000000',
  },
}

SCSS

$custom: #102e5b;
$custom-light: #5b668a;
$custom-dark: #000000;

JSON

{
  "hex": "#102e5b",
  "rgb": {
    "r": 16,
    "g": 46,
    "b": 91
  },
  "hsl": {
    "h": 216,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.30653,
    "c": 0.08835,
    "h": 258.6
  },
  "luminance": 0.02819
}

Semantic roles & 50–950 ramp

primary

#102E5B

secondary

#946D33

accent

#A63BED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04050B

muted

#797A7C

Preview Lab

Preview with #102E5B

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

Preview Lab → · Contrast checker → · Palette generator →