#1C218E#1C218E

#1C218E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.6% C 0.173 H 270.5°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#1C218E
RGB	rgb(28, 33, 142)
HSL	hsl(237, 67%, 33%)
HSV	hsv(237, 80%, 56%)
CMYK	cmyk(80.3%, 76.8%, 0%, 44.3%)
CIE-LAB	lab(21.16, 37.85, -59.87)
CIE-LCH	lch(21.16, 70.83, 302.30°)
OKLab	oklab(33.63% 0.0015 -0.1734)
OKLCH	oklch(33.63% 0.173 270.5)
XYZ	xyz(5.9036, 3.2869, 25.9092)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C218E #8E891C

analogous

#1C5A8E #1C218E #501C8E

triadic

#1C218E #8E1C21 #218E1C

tetradic

#1C218E #8E1C5A #8E891C #1C8E50

square

#1C218E #8E1C5A #8E891C #1C8E50

split-complementary

#1C218E #8E501C #5A8E1C

monochromatic

#080928 #12155B #1C218E #262DC1 #4950DB

Accessibility & contrast

On white

12.67

#1C218E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1C218E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C218E

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C218E	#FFFFFF	#000000	##FFFFFF
##1C218E	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#002D8C

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c218e;
/* rgb */ color: rgb(28, 33, 142);
/* oklch */ color: oklch(33.6% 0.173 270.5);

Tailwind

colors: {
  custom: {
    50: '#6e5eb0',
    500: '#1c218e',
    950: '#000000',
  },
}

SCSS

$custom: #1c218e;
$custom-light: #6e5eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c218e",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 142
  },
  "hsl": {
    "h": 237.368,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33631,
    "c": 0.1734,
    "h": 270.5
  },
  "luminance": 0.03288
}

Semantic roles & 50–950 ramp

primary

#1C218E

secondary

#BDB849

accent

#E23EEA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C218E

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

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