#1C1070#1C1070

#1C1070 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.8% C 0.151 H 275.7°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#1C1070
RGB	rgb(28, 16, 112)
HSL	hsl(248, 75%, 25%)
HSV	hsv(248, 86%, 44%)
CMYK	cmyk(75%, 85.7%, 0%, 56.1%)
CIE-LAB	lab(14.33, 37.01, -52.10)
CIE-LCH	lch(14.33, 63.91, 305.39°)
OKLab	oklab(27.8% 0.0152 -0.1506)
OKLCH	oklch(27.8% 0.151 275.7)
XYZ	xyz(3.5879, 1.7870, 15.4819)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1070 #647010

analogous

#103470 #1C1070 #4C1070

triadic

#1C1070 #701C10 #10701C

tetradic

#1C1070 #701034 #647010 #10704C

square

#1C1070 #701034 #647010 #10704C

split-complementary

#1C1070 #704C10 #347010

monochromatic

#07041B #0F083A #1C1070 #2918A6 #371FDB

Accessibility & contrast

On white

15.47

#1C1070 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1C1070 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1070

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1070	#FFFFFF	#000000	##FFFFFF
##1C1070	1.00	15.47	1.36	15.47
#FFFFFF	15.47	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002873

Deuteranopia (green-blind)

#00206E

Tritanopia (blue-blind)

#002E41

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1c1070;
/* rgb */ color: rgb(28, 16, 112);
/* oklch */ color: oklch(27.8% 0.151 275.7);

Tailwind

colors: {
  custom: {
    50: '#68529a',
    500: '#1c1070',
    950: '#000000',
  },
}

SCSS

$custom: #1c1070;
$custom-light: #68529a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1070",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 112
  },
  "hsl": {
    "h": 247.5,
    "s": 75,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27796,
    "c": 0.15136,
    "h": 275.7
  },
  "luminance": 0.01787
}

Semantic roles & 50–950 ramp

primary

#1C1070

secondary

#99A834

accent

#F236DA

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1C1070

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

Preview Lab → · Contrast checker → · Palette generator →