#102F5F#102F5F

#102F5F is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.2% C 0.093 H 259.1°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#102F5F
RGB	rgb(16, 47, 95)
HSL	hsl(216, 71%, 22%)
HSV	hsv(216, 83%, 37%)
CMYK	cmyk(83.2%, 50.5%, 0%, 62.7%)
CIE-LAB	lab(19.92, 8.21, -31.85)
CIE-LCH	lch(19.92, 32.89, 284.45°)
OKLab	oklab(31.22% -0.0176 -0.0914)
OKLCH	oklch(31.22% 0.093 259.1)
XYZ	xyz(3.2950, 2.9690, 11.2237)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F5F #5F4010

analogous

#10575F #102F5F #19105F

triadic

#102F5F #5F102F #2F5F10

tetradic

#102F5F #5F1057 #5F4010 #105F19

square

#102F5F #5F1057 #5F4010 #105F19

split-complementary

#102F5F #5F1910 #575F10

monochromatic

#040D1A #07152B #102F5F #194993 #2263C8

Accessibility & contrast

On white

13.18

#102F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#102F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F5F

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F5F	#FFFFFF	#000000	##FFFFFF
##102F5F	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153461

Deuteranopia (green-blind)

#012D5E

Tritanopia (blue-blind)

#003A42

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #102f5f;
/* rgb */ color: rgb(16, 47, 95);
/* oklch */ color: oklch(31.2% 0.093 259.1);

Tailwind

colors: {
  custom: {
    50: '#5c678d',
    500: '#102f5f',
    950: '#000000',
  },
}

SCSS

$custom: #102f5f;
$custom-light: #5c678d;
$custom-dark: #000000;

JSON

{
  "hex": "#102f5f",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 95
  },
  "hsl": {
    "h": 216.456,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.3122,
    "c": 0.09313,
    "h": 259.1
  },
  "luminance": 0.02969
}

Semantic roles & 50–950 ramp

primary

#102F5F

secondary

#987033

accent

#A73AEE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #102F5F

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

Preview Lab → · Contrast checker → · Palette generator →