#102C5A#102C5A

#102C5A is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.1% C 0.090 H 259.9°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#102C5A
RGB	rgb(16, 44, 90)
HSL	hsl(217, 70%, 21%)
HSV	hsv(217, 82%, 35%)
CMYK	cmyk(82.2%, 51.1%, 0%, 64.7%)
CIE-LAB	lab(18.58, 8.24, -30.69)
CIE-LCH	lch(18.58, 31.78, 285.02°)
OKLab	oklab(30.07% -0.0157 -0.0881)
OKLCH	oklch(30.07% 0.09 259.9)
XYZ	xyz(2.9592, 2.6494, 10.0263)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102C5A #5A3E10

analogous

#10515A #102C5A #19105A

triadic

#102C5A #5A102C #2C5A10

tetradic

#102C5A #5A1051 #5A3E10 #105A19

square

#102C5A #5A1051 #5A3E10 #105A19

split-complementary

#102C5A #5A1910 #515A10

monochromatic

#050D1A #071326 #102C5A #19458E #225FC2

Accessibility & contrast

On white

13.73

#102C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#102C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102C5A

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102C5A	#FFFFFF	#000000	##FFFFFF
##102C5A	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13315C

Deuteranopia (green-blind)

#012A59

Tritanopia (blue-blind)

#00373E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102c5a;
/* rgb */ color: rgb(16, 44, 90);
/* oklch */ color: oklch(30.1% 0.090 259.9);

Tailwind

colors: {
  custom: {
    50: '#5b6489',
    500: '#102c5a',
    950: '#000000',
  },
}

SCSS

$custom: #102c5a;
$custom-light: #5b6489;
$custom-dark: #000000;

JSON

{
  "hex": "#102c5a",
  "rgb": {
    "r": 16,
    "g": 44,
    "b": 90
  },
  "hsl": {
    "h": 217.297,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30073,
    "c": 0.08951,
    "h": 259.9
  },
  "luminance": 0.0265
}

Semantic roles & 50–950 ramp

primary

#102C5A

secondary

#936F33

accent

#A93BED

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#04050B

muted

#79797C

Preview Lab

Preview with #102C5A

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

Preview Lab → · Contrast checker → · Palette generator →