#1C218F#1C218F

#1C218F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.175 H 270.4°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C218F
RGB	rgb(28, 33, 143)
HSL	hsl(237, 67%, 34%)
HSV	hsv(237, 80%, 56%)
CMYK	cmyk(80.4%, 76.9%, 0%, 43.9%)
CIE-LAB	lab(21.27, 38.20, -60.30)
CIE-LCH	lch(21.27, 71.39, 302.35°)
OKLab	oklab(33.75% 0.0013 -0.1746)
OKLCH	oklch(33.75% 0.175 270.4)
XYZ	xyz(5.9790, 3.3171, 26.3064)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C218F #8F8A1C

analogous

#1C5A8F #1C218F #501C8F

triadic

#1C218F #8F1C21 #218F1C

tetradic

#1C218F #8F1C5A #8F8A1C #1C8F50

square

#1C218F #8F1C5A #8F8A1C #1C8F50

split-complementary

#1C218F #8F501C #5A8F1C

monochromatic

#080929 #12155C #1C218F #262DC2 #4A50DC

Accessibility & contrast

On white

12.62

#1C218F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1C218F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C218F

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C218F	#FFFFFF	#000000	##FFFFFF
##1C218F	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#002D8D

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c218f;
/* rgb */ color: rgb(28, 33, 143);
/* oklch */ color: oklch(33.7% 0.175 270.4);

Tailwind

colors: {
  custom: {
    50: '#6e5eb1',
    500: '#1c218f',
    950: '#000000',
  },
}

SCSS

$custom: #1c218f;
$custom-light: #6e5eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c218f",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 143
  },
  "hsl": {
    "h": 237.391,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33745,
    "c": 0.17465,
    "h": 270.4
  },
  "luminance": 0.03318
}

Semantic roles & 50–950 ramp

primary

#1C218F

secondary

#BEB949

accent

#E33EEA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C218F

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

Preview Lab → · Contrast checker → · Palette generator →