#1C217C#1C217C

#1C217C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.150 H 271.7°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#1C217C
RGB	rgb(28, 33, 124)
HSL	hsl(237, 63%, 30%)
HSV	hsv(237, 77%, 49%)
CMYK	cmyk(77.4%, 73.4%, 0%, 51.4%)
CIE-LAB	lab(19.18, 31.36, -51.80)
CIE-LCH	lch(19.18, 60.56, 301.19°)
OKLab	oklab(31.63% 0.0044 -0.1499)
OKLCH	oklch(31.63% 0.15 271.7)
XYZ	xyz(4.6596, 2.7893, 19.3577)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C217C #7C771C

analogous

#1C517C #1C217C #471C7C

triadic

#1C217C #7C1C21 #217C1C

tetradic

#1C217C #7C1C51 #7C771C #1C7C47

square

#1C217C #7C1C51 #7C771C #1C7C47

split-complementary

#1C217C #7C471C #517C1C

monochromatic

#060719 #11144A #1C217C #272EAE #3F47D4

Accessibility & contrast

On white

13.48

#1C217C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1C217C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C217C

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C217C	#FFFFFF	#000000	##FFFFFF
##1C217C	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#002A7A

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c217c;
/* rgb */ color: rgb(28, 33, 124);
/* oklch */ color: oklch(31.6% 0.150 271.7);

Tailwind

colors: {
  custom: {
    50: '#695da3',
    500: '#1c217c',
    950: '#000000',
  },
}

SCSS

$custom: #1c217c;
$custom-light: #695da3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c217c",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 124
  },
  "hsl": {
    "h": 236.875,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3163,
    "c": 0.14998,
    "h": 271.7
  },
  "luminance": 0.0279
}

Semantic roles & 50–950 ramp

primary

#1C217C

secondary

#B0AA44

accent

#DE42E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C217C

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

Preview Lab → · Contrast checker → · Palette generator →