#102F5E#102F5E

#102F5E is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.1% C 0.092 H 258.8°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#102F5E
RGB	rgb(16, 47, 94)
HSL	hsl(216, 71%, 22%)
HSV	hsv(216, 83%, 37%)
CMYK	cmyk(83%, 50%, 0%, 63.1%)
CIE-LAB	lab(19.85, 7.77, -31.30)
CIE-LCH	lch(19.85, 32.25, 283.95°)
OKLab	oklab(31.14% -0.0178 -0.0899)
OKLCH	oklch(31.14% 0.092 258.8)
XYZ	xyz(3.2498, 2.9510, 10.9858)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F5E #5E3F10

analogous

#10565E #102F5E #18105E

triadic

#102F5E #5E102F #2F5E10

tetradic

#102F5E #5E1056 #5E3F10 #105E18

square

#102F5E #5E1056 #5E3F10 #105E18

split-complementary

#102F5E #5E1810 #565E10

monochromatic

#040D1A #07152A #102F5E #194992 #2263C7

Accessibility & contrast

On white

13.21

#102F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#102F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F5E

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F5E	#FFFFFF	#000000	##FFFFFF
##102F5E	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163460

Deuteranopia (green-blind)

#032D5D

Tritanopia (blue-blind)

#003A42

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #102f5e;
/* rgb */ color: rgb(16, 47, 94);
/* oklch */ color: oklch(31.1% 0.092 258.8);

Tailwind

colors: {
  custom: {
    50: '#5c678c',
    500: '#102f5e',
    950: '#000000',
  },
}

SCSS

$custom: #102f5e;
$custom-light: #5c678c;
$custom-dark: #000000;

JSON

{
  "hex": "#102f5e",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 94
  },
  "hsl": {
    "h": 216.154,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31141,
    "c": 0.0916,
    "h": 258.8
  },
  "luminance": 0.02951
}

Semantic roles & 50–950 ramp

primary

#102F5E

secondary

#976F33

accent

#A63AEE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #102F5E

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

Preview Lab → · Contrast checker → · Palette generator →