#103881#103881

#103881 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.2% C 0.131 H 261.3°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#103881
RGB	rgb(16, 56, 129)
HSL	hsl(219, 78%, 28%)
HSV	hsv(219, 88%, 51%)
CMYK	cmyk(87.6%, 56.6%, 0%, 49.4%)
CIE-LAB	lab(25.33, 16.29, -44.92)
CIE-LCH	lch(25.33, 47.78, 289.93°)
OKLab	oklab(36.19% -0.02 -0.1297)
OKLCH	oklch(36.19% 0.131 261.3)
XYZ	xyz(5.5889, 4.5228, 21.3430)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103881 #815910

analogous

#107081 #103881 #201081

triadic

#103881 #811038 #388110

tetradic

#103881 #811070 #815910 #108120

square

#103881 #811070 #815910 #108120

split-complementary

#103881 #812010 #708110

monochromatic

#030C1B #09204B #103881 #1750B7 #276AE4

Accessibility & contrast

On white

11.03

#103881 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#103881 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103881

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103881	#FFFFFF	#000000	##FFFFFF
##103881	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004184

Deuteranopia (green-blind)

#003780

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #103881;
/* rgb */ color: rgb(16, 56, 129);
/* oklch */ color: oklch(36.2% 0.131 261.3);

Tailwind

colors: {
  custom: {
    50: '#656ea6',
    500: '#103881',
    950: '#000000',
  },
}

SCSS

$custom: #103881;
$custom-light: #656ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#103881",
  "rgb": {
    "r": 16,
    "g": 56,
    "b": 129
  },
  "hsl": {
    "h": 218.761,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36189,
    "c": 0.13125,
    "h": 261.3
  },
  "luminance": 0.04523
}

Semantic roles & 50–950 ramp

primary

#103881

secondary

#B78936

accent

#B033F4

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #103881

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

Preview Lab → · Contrast checker → · Palette generator →