#102B5C#102B5C

#102B5C is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.0% C 0.094 H 261.1°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#102B5C
RGB	rgb(16, 43, 92)
HSL	hsl(219, 70%, 21%)
HSV	hsv(219, 83%, 36%)
CMYK	cmyk(82.6%, 53.3%, 0%, 63.9%)
CIE-LAB	lab(18.41, 9.85, -32.29)
CIE-LCH	lch(18.41, 33.76, 286.95°)
OKLab	oklab(29.99% -0.0145 -0.0929)
OKLCH	oklch(29.99% 0.094 261.1)
XYZ	xyz(3.0086, 2.6103, 10.4684)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102B5C #5C4110

analogous

#10515C #102B5C #1B105C

triadic

#102B5C #5C102B #2B5C10

tetradic

#102B5C #5C1051 #5C4110 #105C1B

square

#102B5C #5C1051 #5C4110 #105C1B

split-complementary

#102B5C #5C1B10 #515C10

monochromatic

#050C1A #071328 #102B5C #194390 #225CC4

Accessibility & contrast

On white

13.80

#102B5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#102B5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102B5C

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102B5C	#FFFFFF	#000000	##FFFFFF
##102B5C	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E315E

Deuteranopia (green-blind)

#002A5B

Tritanopia (blue-blind)

#00373F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102b5c;
/* rgb */ color: rgb(16, 43, 92);
/* oklch */ color: oklch(30.0% 0.094 261.1);

Tailwind

colors: {
  custom: {
    50: '#5b638a',
    500: '#102b5c',
    950: '#000000',
  },
}

SCSS

$custom: #102b5c;
$custom-light: #5b638a;
$custom-dark: #000000;

JSON

{
  "hex": "#102b5c",
  "rgb": {
    "r": 16,
    "g": 43,
    "b": 92
  },
  "hsl": {
    "h": 218.684,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.2999,
    "c": 0.09398,
    "h": 261.1
  },
  "luminance": 0.02611
}

Semantic roles & 50–950 ramp

primary

#102B5C

secondary

#957233

accent

#AE3BED

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#04050C

muted

#79797D

Preview Lab

Preview with #102B5C

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

Preview Lab → · Contrast checker → · Palette generator →