#1C216C#1C216C

#1C216C is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.9% C 0.128 H 272.8°. Best body text is #FFFFFF at 14.16:1 contrast (WCAG AA passes).

Color values

HEX	#1C216C
RGB	rgb(28, 33, 108)
HSL	hsl(236, 59%, 27%)
HSV	hsv(236, 74%, 42%)
CMYK	cmyk(74.1%, 69.4%, 0%, 57.6%)
CIE-LAB	lab(17.54, 25.33, -44.20)
CIE-LCH	lch(17.54, 50.94, 299.81°)
OKLab	oklab(29.95% 0.0063 -0.1277)
OKLCH	oklch(29.95% 0.128 272.8)
XYZ	xyz(3.7286, 2.4169, 14.4545)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C216C #6C671C

analogous

#1C496C #1C216C #3F1C6C

triadic

#1C216C #6C1C21 #216C1C

tetradic

#1C216C #6C1C49 #6C671C #1C6C3F

square

#1C216C #6C1C49 #6C671C #1C6C3F

split-complementary

#1C216C #6C3F1C #496C1C

monochromatic

#060718 #0F123B #1C216C #29309D #3740CB

Accessibility & contrast

On white

14.16

#1C216C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1C216C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C216C

14.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C216C	#FFFFFF	#000000	##FFFFFF
##1C216C	1.00	14.16	1.48	14.16
#FFFFFF	14.16	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6E

Deuteranopia (green-blind)

#00276B

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1c216c;
/* rgb */ color: rgb(28, 33, 108);
/* oklch */ color: oklch(29.9% 0.128 272.8);

Tailwind

colors: {
  custom: {
    50: '#655c97',
    500: '#1c216c',
    950: '#000000',
  },
}

SCSS

$custom: #1c216c;
$custom-light: #655c97;
$custom-dark: #000000;

JSON

{
  "hex": "#1c216c",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 108
  },
  "hsl": {
    "h": 236.25,
    "s": 58.824,
    "l": 26.667
  },
  "oklch": {
    "l": 0.29945,
    "c": 0.12787,
    "h": 272.8
  },
  "luminance": 0.02417
}

Semantic roles & 50–950 ramp

primary

#1C216C

secondary

#A19B43

accent

#D846E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1C216C

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

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