#102D5C#102D5C

#102D5C is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.5% C 0.091 H 259.7°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#102D5C
RGB	rgb(16, 45, 92)
HSL	hsl(217, 70%, 21%)
HSV	hsv(217, 83%, 36%)
CMYK	cmyk(82.6%, 51.1%, 0%, 63.9%)
CIE-LAB	lab(19.05, 8.37, -31.26)
CIE-LCH	lch(19.05, 32.36, 284.99°)
OKLab	oklab(30.48% -0.0163 -0.0898)
OKLCH	oklch(30.48% 0.091 259.7)
XYZ	xyz(3.0831, 2.7593, 10.4932)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102D5C #5C3F10

analogous

#10535C #102D5C #19105C

triadic

#102D5C #5C102D #2D5C10

tetradic

#102D5C #5C1053 #5C3F10 #105C19

square

#102D5C #5C1053 #5C3F10 #105C19

split-complementary

#102D5C #5C1910 #535C10

monochromatic

#050D1A #071328 #102D5C #194690 #2260C4

Accessibility & contrast

On white

13.53

#102D5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#102D5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102D5C

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102D5C	#FFFFFF	#000000	##FFFFFF
##102D5C	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13325E

Deuteranopia (green-blind)

#002B5B

Tritanopia (blue-blind)

#003840

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #102d5c;
/* rgb */ color: rgb(16, 45, 92);
/* oklch */ color: oklch(30.5% 0.091 259.7);

Tailwind

colors: {
  custom: {
    50: '#5b658a',
    500: '#102d5c',
    950: '#000000',
  },
}

SCSS

$custom: #102d5c;
$custom-light: #5b658a;
$custom-dark: #000000;

JSON

{
  "hex": "#102d5c",
  "rgb": {
    "r": 16,
    "g": 45,
    "b": 92
  },
  "hsl": {
    "h": 217.105,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.30483,
    "c": 0.09124,
    "h": 259.7
  },
  "luminance": 0.0276
}

Semantic roles & 50–950 ramp

primary

#102D5C

secondary

#957033

accent

#A93BED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04050C

muted

#797A7D

Preview Lab

Preview with #102D5C

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

Preview Lab → · Contrast checker → · Palette generator →