#103379#103379

#103379 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.4% C 0.126 H 262.1°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#103379
RGB	rgb(16, 51, 121)
HSL	hsl(220, 77%, 27%)
HSV	hsv(220, 87%, 47%)
CMYK	cmyk(86.8%, 57.9%, 0%, 52.5%)
CIE-LAB	lab(23.20, 16.48, -43.34)
CIE-LCH	lch(23.20, 46.37, 290.81°)
OKLab	oklab(34.37% -0.0173 -0.1252)
OKLCH	oklch(34.37% 0.126 262.1)
XYZ	xyz(4.8475, 3.8577, 18.5746)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103379 #795610

analogous

#106879 #103379 #221079

triadic

#103379 #791033 #337910

tetradic

#103379 #791068 #795610 #107922

square

#103379 #791068 #795610 #107922

split-complementary

#103379 #792210 #687910

monochromatic

#040B1B #091C43 #103379 #174AAF #2262E2

Accessibility & contrast

On white

11.85

#103379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#103379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103379

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103379	#FFFFFF	#000000	##FFFFFF
##103379	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7B

Deuteranopia (green-blind)

#003378

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #103379;
/* rgb */ color: rgb(16, 51, 121);
/* oklch */ color: oklch(34.4% 0.126 262.1);

Tailwind

colors: {
  custom: {
    50: '#636aa0',
    500: '#103379',
    950: '#000000',
  },
}

SCSS

$custom: #103379;
$custom-light: #636aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#103379",
  "rgb": {
    "r": 16,
    "g": 51,
    "b": 121
  },
  "hsl": {
    "h": 220,
    "s": 76.642,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34366,
    "c": 0.12638,
    "h": 262.1
  },
  "luminance": 0.03858
}

Semantic roles & 50–950 ramp

primary

#103379

secondary

#B08735

accent

#B435F3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060F

muted

#7A7A7E

Preview Lab

Preview with #103379

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

Preview Lab → · Contrast checker → · Palette generator →