#102B5F#102B5F

#102B5F is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.2% C 0.099 H 261.8°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#102B5F
RGB	rgb(16, 43, 95)
HSL	hsl(219, 71%, 22%)
HSV	hsv(219, 83%, 37%)
CMYK	cmyk(83.2%, 54.7%, 0%, 62.7%)
CIE-LAB	lab(18.64, 11.15, -33.90)
CIE-LCH	lch(18.64, 35.69, 288.20°)
OKLab	oklab(30.24% -0.014 -0.0976)
OKLCH	oklch(30.24% 0.099 261.8)
XYZ	xyz(3.1424, 2.6638, 11.1728)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102B5F #5F4410

analogous

#10535F #102B5F #1D105F

triadic

#102B5F #5F102B #2B5F10

tetradic

#102B5F #5F1053 #5F4410 #105F1D

square

#102B5F #5F1053 #5F4410 #105F1D

split-complementary

#102B5F #5F1D10 #535F10

monochromatic

#040C1A #07132B #102B5F #194393 #225AC8

Accessibility & contrast

On white

13.70

#102B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#102B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102B5F

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102B5F	#FFFFFF	#000000	##FFFFFF
##102B5F	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#093161

Deuteranopia (green-blind)

#002A5E

Tritanopia (blue-blind)

#003840

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102b5f;
/* rgb */ color: rgb(16, 43, 95);
/* oklch */ color: oklch(30.2% 0.099 261.8);

Tailwind

colors: {
  custom: {
    50: '#5c638d',
    500: '#102b5f',
    950: '#000000',
  },
}

SCSS

$custom: #102b5f;
$custom-light: #5c638d;
$custom-dark: #000000;

JSON

{
  "hex": "#102b5f",
  "rgb": {
    "r": 16,
    "g": 43,
    "b": 95
  },
  "hsl": {
    "h": 219.494,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.30243,
    "c": 0.09859,
    "h": 261.8
  },
  "luminance": 0.02664
}

Semantic roles & 50–950 ramp

primary

#102B5F

secondary

#987533

accent

#B03AEE

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #102B5F

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

Preview Lab → · Contrast checker → · Palette generator →