#103370#103370

#103370 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.113 H 260.7°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#103370
RGB	rgb(16, 51, 112)
HSL	hsl(218, 75%, 25%)
HSV	hsv(218, 86%, 44%)
CMYK	cmyk(85.7%, 54.5%, 0%, 56.1%)
CIE-LAB	lab(22.47, 12.64, -38.78)
CIE-LCH	lch(22.47, 40.79, 288.05°)
OKLab	oklab(33.59% -0.0183 -0.1118)
OKLCH	oklch(33.59% 0.113 260.7)
XYZ	xyz(4.3211, 3.6471, 15.8023)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103370 #704D10

analogous

#106370 #103370 #1D1070

triadic

#103370 #701033 #337010

tetradic

#103370 #701063 #704D10 #10701D

square

#103370 #701063 #704D10 #10701D

split-complementary

#103370 #701D10 #637010

monochromatic

#040C1B #081B3A #103370 #184BA6 #1F64DB

Accessibility & contrast

On white

12.14

#103370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#103370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103370

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103370	#FFFFFF	#000000	##FFFFFF
##103370	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083A72

Deuteranopia (green-blind)

#00326F

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #103370;
/* rgb */ color: rgb(16, 51, 112);
/* oklch */ color: oklch(33.6% 0.113 260.7);

Tailwind

colors: {
  custom: {
    50: '#616a9a',
    500: '#103370',
    950: '#000000',
  },
}

SCSS

$custom: #103370;
$custom-light: #616a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#103370",
  "rgb": {
    "r": 16,
    "g": 51,
    "b": 112
  },
  "hsl": {
    "h": 218.125,
    "s": 75,
    "l": 25.098
  },
  "oklch": {
    "l": 0.33585,
    "c": 0.11325,
    "h": 260.7
  },
  "luminance": 0.03648
}

Semantic roles & 50–950 ramp

primary

#103370

secondary

#A87E34

accent

#AD36F2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #103370

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

Preview Lab → · Contrast checker → · Palette generator →