#102D5E#102D5E

#102D5E is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.6% C 0.094 H 260.3°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#102D5E
RGB	rgb(16, 45, 94)
HSL	hsl(218, 71%, 22%)
HSV	hsv(218, 83%, 37%)
CMYK	cmyk(83%, 52.1%, 0%, 63.1%)
CIE-LAB	lab(19.20, 9.24, -32.34)
CIE-LCH	lch(19.20, 33.64, 285.94°)
OKLab	oklab(30.65% -0.016 -0.0929)
OKLCH	oklch(30.65% 0.094 260.3)
XYZ	xyz(3.1717, 2.7947, 10.9598)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102D5E #5E4110

analogous

#10545E #102D5E #1A105E

triadic

#102D5E #5E102D #2D5E10

tetradic

#102D5E #5E1054 #5E4110 #105E1A

square

#102D5E #5E1054 #5E4110 #105E1A

split-complementary

#102D5E #5E1A10 #545E10

monochromatic

#040D1A #07142A #102D5E #194692 #225FC7

Accessibility & contrast

On white

13.47

#102D5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#102D5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102D5E

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102D5E	#FFFFFF	#000000	##FFFFFF
##102D5E	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#113260

Deuteranopia (green-blind)

#002B5D

Tritanopia (blue-blind)

#003941

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #102d5e;
/* rgb */ color: rgb(16, 45, 94);
/* oklch */ color: oklch(30.6% 0.094 260.3);

Tailwind

colors: {
  custom: {
    50: '#5c658c',
    500: '#102d5e',
    950: '#000000',
  },
}

SCSS

$custom: #102d5e;
$custom-light: #5c658c;
$custom-dark: #000000;

JSON

{
  "hex": "#102d5e",
  "rgb": {
    "r": 16,
    "g": 45,
    "b": 94
  },
  "hsl": {
    "h": 217.692,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.30646,
    "c": 0.09431,
    "h": 260.3
  },
  "luminance": 0.02795
}

Semantic roles & 50–950 ramp

primary

#102D5E

secondary

#977233

accent

#AB3AEE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #102D5E

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

Preview Lab → · Contrast checker → · Palette generator →