#1C106D#1C106D

#1C106D is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.4% C 0.148 H 276.3°. Best body text is #FFFFFF at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C106D
RGB	rgb(28, 16, 109)
HSL	hsl(248, 74%, 25%)
HSV	hsv(248, 85%, 43%)
CMYK	cmyk(74.3%, 85.3%, 0%, 57.3%)
CIE-LAB	lab(13.95, 36.03, -50.77)
CIE-LCH	lch(13.95, 62.25, 305.36°)
OKLab	oklab(27.43% 0.0161 -0.1467)
OKLCH	oklch(27.43% 0.148 276.3)
XYZ	xyz(3.4236, 1.7213, 14.6168)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C106D #616D10

analogous

#10336D #1C106D #4B106D

triadic

#1C106D #6D1C10 #106D1C

tetradic

#1C106D #6D1033 #616D10 #106D4B

square

#1C106D #6D1033 #616D10 #106D4B

split-complementary

#1C106D #6D4B10 #336D10

monochromatic

#07041B #0E0838 #1C106D #2A18A2 #3720D8

Accessibility & contrast

On white

15.62

#1C106D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1C106D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C106D

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C106D	#FFFFFF	#000000	##FFFFFF
##1C106D	1.00	15.62	1.34	15.62
#FFFFFF	15.62	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002770

Deuteranopia (green-blind)

#001F6B

Tritanopia (blue-blind)

#002D3F

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1c106d;
/* rgb */ color: rgb(28, 16, 109);
/* oklch */ color: oklch(27.4% 0.148 276.3);

Tailwind

colors: {
  custom: {
    50: '#675198',
    500: '#1c106d',
    950: '#000000',
  },
}

SCSS

$custom: #1c106d;
$custom-light: #675198;
$custom-dark: #000000;

JSON

{
  "hex": "#1c106d",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 109
  },
  "hsl": {
    "h": 247.742,
    "s": 74.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27427,
    "c": 0.14761,
    "h": 276.3
  },
  "luminance": 0.01722
}

Semantic roles & 50–950 ramp

primary

#1C106D

secondary

#96A534

accent

#F137D9

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1C106D

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

Preview Lab → · Contrast checker → · Palette generator →