#1C217E#1C217E

#1C217E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.153 H 271.5°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#1C217E
RGB	rgb(28, 33, 126)
HSL	hsl(237, 64%, 30%)
HSV	hsv(237, 78%, 49%)
CMYK	cmyk(77.8%, 73.8%, 0%, 50.6%)
CIE-LAB	lab(19.39, 32.10, -52.72)
CIE-LCH	lch(19.39, 61.73, 301.33°)
OKLab	oklab(31.85% 0.0041 -0.1526)
OKLCH	oklch(31.85% 0.153 271.5)
XYZ	xyz(4.7874, 2.8404, 20.0306)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C217E #7E791C

analogous

#1C527E #1C217E #481C7E

triadic

#1C217E #7E1C21 #217E1C

tetradic

#1C217E #7E1C52 #7E791C #1C7E48

square

#1C217E #7E1C52 #7E791C #1C7E48

split-complementary

#1C217E #7E481C #527E1C

monochromatic

#06071A #11144C #1C217E #272EB0 #4047D5

Accessibility & contrast

On white

13.39

#1C217E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C217E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C217E

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C217E	#FFFFFF	#000000	##FFFFFF
##1C217E	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c217e;
/* rgb */ color: rgb(28, 33, 126);
/* oklch */ color: oklch(31.8% 0.153 271.5);

Tailwind

colors: {
  custom: {
    50: '#6a5da4',
    500: '#1c217e',
    950: '#000000',
  },
}

SCSS

$custom: #1c217e;
$custom-light: #6a5da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c217e",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 126
  },
  "hsl": {
    "h": 236.939,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31847,
    "c": 0.15265,
    "h": 271.5
  },
  "luminance": 0.02841
}

Semantic roles & 50–950 ramp

primary

#1C217E

secondary

#B2AC44

accent

#DE41E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1C217E

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

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