#1C217A#1C217A

#1C217A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.147 H 271.8°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C217A
RGB	rgb(28, 33, 122)
HSL	hsl(237, 63%, 29%)
HSV	hsv(237, 77%, 48%)
CMYK	cmyk(77%, 73%, 0%, 52.2%)
CIE-LAB	lab(18.97, 30.62, -50.88)
CIE-LCH	lch(18.97, 59.38, 301.04°)
OKLab	oklab(31.41% 0.0046 -0.1472)
OKLCH	oklch(31.41% 0.147 271.8)
XYZ	xyz(4.5344, 2.7393, 18.6983)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C217A #7A751C

analogous

#1C507A #1C217A #461C7A

triadic

#1C217A #7A1C21 #217A1C

tetradic

#1C217A #7A1C50 #7A751C #1C7A46

square

#1C217A #7A1C50 #7A751C #1C7A46

split-complementary

#1C217A #7A461C #507A1C

monochromatic

#060719 #111448 #1C217A #272EAC #3E46D3

Accessibility & contrast

On white

13.57

#1C217A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1C217A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C217A

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C217A	#FFFFFF	#000000	##FFFFFF
##1C217A	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337D

Deuteranopia (green-blind)

#002A78

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c217a;
/* rgb */ color: rgb(28, 33, 122);
/* oklch */ color: oklch(31.4% 0.147 271.8);

Tailwind

colors: {
  custom: {
    50: '#695da1',
    500: '#1c217a',
    950: '#000000',
  },
}

SCSS

$custom: #1c217a;
$custom-light: #695da1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c217a",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 122
  },
  "hsl": {
    "h": 236.809,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31414,
    "c": 0.14729,
    "h": 271.8
  },
  "luminance": 0.0274
}

Semantic roles & 50–950 ramp

primary

#1C217A

secondary

#AEA844

accent

#DD42E6

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C217A

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

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