#1C217D#1C217D

#1C217D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.151 H 271.6°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#1C217D
RGB	rgb(28, 33, 125)
HSL	hsl(237, 63%, 30%)
HSV	hsv(237, 78%, 49%)
CMYK	cmyk(77.6%, 73.6%, 0%, 51%)
CIE-LAB	lab(19.29, 31.73, -52.26)
CIE-LCH	lch(19.29, 61.14, 301.26°)
OKLab	oklab(31.74% 0.0042 -0.1513)
OKLCH	oklch(31.74% 0.151 271.6)
XYZ	xyz(4.7232, 2.8148, 19.6924)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C217D #7D781C

analogous

#1C527D #1C217D #471C7D

triadic

#1C217D #7D1C21 #217D1C

tetradic

#1C217D #7D1C52 #7D781C #1C7D47

square

#1C217D #7D1C52 #7D781C #1C7D47

split-complementary

#1C217D #7D471C #527D1C

monochromatic

#060719 #11144B #1C217D #272EAF #3F47D4

Accessibility & contrast

On white

13.44

#1C217D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1C217D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C217D

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C217D	#FFFFFF	#000000	##FFFFFF
##1C217D	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003380

Deuteranopia (green-blind)

#002A7B

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c217d;
/* rgb */ color: rgb(28, 33, 125);
/* oklch */ color: oklch(31.7% 0.151 271.6);

Tailwind

colors: {
  custom: {
    50: '#6a5da4',
    500: '#1c217d',
    950: '#000000',
  },
}

SCSS

$custom: #1c217d;
$custom-light: #6a5da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c217d",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 125
  },
  "hsl": {
    "h": 236.907,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.31739,
    "c": 0.15132,
    "h": 271.6
  },
  "luminance": 0.02815
}

Semantic roles & 50–950 ramp

primary

#1C217D

secondary

#B1AB44

accent

#DE41E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C217D

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

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