#102D5D#102D5D

#102D5D is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.6% C 0.093 H 260.0°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#102D5D
RGB	rgb(16, 45, 93)
HSL	hsl(217, 71%, 21%)
HSV	hsv(217, 83%, 36%)
CMYK	cmyk(82.8%, 51.6%, 0%, 63.5%)
CIE-LAB	lab(19.13, 8.80, -31.80)
CIE-LCH	lch(19.13, 33.00, 285.48°)
OKLab	oklab(30.56% -0.0161 -0.0914)
OKLCH	oklch(30.56% 0.093 260)
XYZ	xyz(3.1271, 2.7769, 10.7250)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102D5D #5D4010

analogous

#10545D #102D5D #1A105D

triadic

#102D5D #5D102D #2D5D10

tetradic

#102D5D #5D1054 #5D4010 #105D1A

square

#102D5D #5D1054 #5D4010 #105D1A

split-complementary

#102D5D #5D1A10 #545D10

monochromatic

#040D1A #071429 #102D5D #194691 #2260C5

Accessibility & contrast

On white

13.50

#102D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#102D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102D5D

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102D5D	#FFFFFF	#000000	##FFFFFF
##102D5D	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12325F

Deuteranopia (green-blind)

#002B5C

Tritanopia (blue-blind)

#003840

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #102d5d;
/* rgb */ color: rgb(16, 45, 93);
/* oklch */ color: oklch(30.6% 0.093 260.0);

Tailwind

colors: {
  custom: {
    50: '#5c658b',
    500: '#102d5d',
    950: '#000000',
  },
}

SCSS

$custom: #102d5d;
$custom-light: #5c658b;
$custom-dark: #000000;

JSON

{
  "hex": "#102d5d",
  "rgb": {
    "r": 16,
    "g": 45,
    "b": 93
  },
  "hsl": {
    "h": 217.403,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.30564,
    "c": 0.09277,
    "h": 260
  },
  "luminance": 0.02777
}

Semantic roles & 50–950 ramp

primary

#102D5D

secondary

#967133

accent

#AA3AED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04050C

muted

#797A7D

Preview Lab

Preview with #102D5D

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

Preview Lab → · Contrast checker → · Palette generator →