#1C107E#1C107E

#1C107E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.5% C 0.168 H 273.7°. Best body text is #FFFFFF at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C107E
RGB	rgb(28, 16, 126)
HSL	hsl(247, 77%, 28%)
HSV	hsv(247, 87%, 49%)
CMYK	cmyk(77.8%, 87.3%, 0%, 50.6%)
CIE-LAB	lab(16.12, 41.47, -58.14)
CIE-LCH	lch(16.12, 71.41, 305.50°)
OKLab	oklab(29.55% 0.0109 -0.1681)
OKLCH	oklch(29.55% 0.168 273.7)
XYZ	xyz(4.4288, 2.1234, 19.9111)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C107E #727E10

analogous

#103B7E #1C107E #53107E

triadic

#1C107E #7E1C10 #107E1C

tetradic

#1C107E #7E103B #727E10 #107E53

square

#1C107E #7E103B #727E10 #107E53

split-complementary

#1C107E #7E5310 #3B7E10

monochromatic

#06031B #100948 #1C107E #2817B4 #3A25E3

Accessibility & contrast

On white

14.74

#1C107E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1C107E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C107E

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C107E	#FFFFFF	#000000	##FFFFFF
##1C107E	1.00	14.74	1.42	14.74
#FFFFFF	14.74	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D81

Deuteranopia (green-blind)

#00237C

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1c107e;
/* rgb */ color: rgb(28, 16, 126);
/* oklch */ color: oklch(29.5% 0.168 273.7);

Tailwind

colors: {
  custom: {
    50: '#6c53a5',
    500: '#1c107e',
    950: '#000000',
  },
}

SCSS

$custom: #1c107e;
$custom-light: #6c53a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c107e",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 126
  },
  "hsl": {
    "h": 246.545,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29549,
    "c": 0.16845,
    "h": 273.7
  },
  "luminance": 0.02124
}

Semantic roles & 50–950 ramp

primary

#1C107E

secondary

#A6B436

accent

#F434DF

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1C107E

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

Preview Lab → · Contrast checker → · Palette generator →