#103770#103770

#103770 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.5% C 0.108 H 258.5°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#103770
RGB	rgb(16, 55, 112)
HSL	hsl(216, 75%, 25%)
HSV	hsv(216, 86%, 44%)
CMYK	cmyk(85.7%, 50.9%, 0%, 56.1%)
CIE-LAB	lab(23.71, 9.76, -36.77)
CIE-LCH	lch(23.71, 38.05, 284.87°)
OKLab	oklab(34.54% -0.0215 -0.1058)
OKLCH	oklch(34.54% 0.108 258.5)
XYZ	xyz(4.5034, 4.0118, 15.8631)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103770 #704910

analogous

#106770 #103770 #191070

triadic

#103770 #701037 #377010

tetradic

#103770 #701067 #704910 #107019

square

#103770 #701067 #704910 #107019

split-complementary

#103770 #701910 #677010

monochromatic

#040D1B #081D3A #103770 #1851A6 #1F6CDB

Accessibility & contrast

On white

11.65

#103770 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#103770 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103770

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103770	#FFFFFF	#000000	##FFFFFF
##103770	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163D72

Deuteranopia (green-blind)

#00346F

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #103770;
/* rgb */ color: rgb(16, 55, 112);
/* oklch */ color: oklch(34.5% 0.108 258.5);

Tailwind

colors: {
  custom: {
    50: '#606d99',
    500: '#103770',
    950: '#000000',
  },
}

SCSS

$custom: #103770;
$custom-light: #606d99;
$custom-dark: #000000;

JSON

{
  "hex": "#103770",
  "rgb": {
    "r": 16,
    "g": 55,
    "b": 112
  },
  "hsl": {
    "h": 215.625,
    "s": 75,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34536,
    "c": 0.10793,
    "h": 258.5
  },
  "luminance": 0.04012
}

Semantic roles & 50–950 ramp

primary

#103770

secondary

#A87934

accent

#A536F2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #103770

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

Preview Lab → · Contrast checker → · Palette generator →