#1C218A#1C218A

#1C218A is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.168 H 270.7°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C218A
RGB	rgb(28, 33, 138)
HSL	hsl(237, 66%, 33%)
HSV	hsv(237, 80%, 54%)
CMYK	cmyk(79.7%, 76.1%, 0%, 45.9%)
CIE-LAB	lab(20.71, 36.44, -58.12)
CIE-LCH	lch(20.71, 68.59, 302.08°)
OKLab	oklab(33.18% 0.0022 -0.1683)
OKLCH	oklch(33.18% 0.168 270.7)
XYZ	xyz(5.6086, 3.1689, 24.3559)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C218A #8A851C

analogous

#1C588A #1C218A #4E1C8A

triadic

#1C218A #8A1C21 #218A1C

tetradic

#1C218A #8A1C58 #8A851C #1C8A4E

square

#1C218A #8A1C58 #8A851C #1C8A4E

split-complementary

#1C218A #8A4E1C #588A1C

monochromatic

#070924 #121557 #1C218A #262DBD #474DDA

Accessibility & contrast

On white

12.85

#1C218A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1C218A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C218A

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C218A	#FFFFFF	#000000	##FFFFFF
##1C218A	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378D

Deuteranopia (green-blind)

#002C88

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c218a;
/* rgb */ color: rgb(28, 33, 138);
/* oklch */ color: oklch(33.2% 0.168 270.7);

Tailwind

colors: {
  custom: {
    50: '#6d5dad',
    500: '#1c218a',
    950: '#000000',
  },
}

SCSS

$custom: #1c218a;
$custom-light: #6d5dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c218a",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 138
  },
  "hsl": {
    "h": 237.273,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33178,
    "c": 0.16831,
    "h": 270.7
  },
  "luminance": 0.0317
}

Semantic roles & 50–950 ramp

primary

#1C218A

secondary

#BBB646

accent

#E13FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C218A

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

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