#2217B3#2217B3

#2217B3 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.2% C 0.223 H 270.7°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#2217B3
RGB	rgb(34, 23, 179)
HSL	hsl(244, 77%, 40%)
HSV	hsv(244, 87%, 70%)
CMYK	cmyk(81%, 87.2%, 0%, 29.8%)
CIE-LAB	lab(24.34, 54.85, -77.15)
CIE-LCH	lch(24.34, 94.66, 305.41°)
OKLab	oklab(37.23% 0.0026 -0.2231)
OKLCH	oklch(37.23% 0.223 270.7)
XYZ	xyz(9.1000, 4.2065, 42.9714)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2217B3 #A8B317

analogous

#175AB3 #2217B3 #7017B3

triadic

#2217B3 #B32217 #17B322

tetradic

#2217B3 #B3175A #A8B317 #17B370

square

#2217B3 #B3175A #A8B317 #17B370

split-complementary

#2217B3 #B37017 #5AB317

monochromatic

#0D0947 #18107D #2217B3 #3224E3 #655BEA

Accessibility & contrast

On white

11.40

#2217B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2217B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2217B3

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2217B3	#FFFFFF	#000000	##FFFFFF
##2217B3	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B7

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2217b3;
/* rgb */ color: rgb(34, 23, 179);
/* oklch */ color: oklch(37.2% 0.223 270.7);

Tailwind

colors: {
  custom: {
    50: '#7a5bcb',
    500: '#2217b3',
    950: '#000000',
  },
}

SCSS

$custom: #2217b3;
$custom-light: #7a5bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2217b3",
  "rgb": {
    "r": 34,
    "g": 23,
    "b": 179
  },
  "hsl": {
    "h": 244.231,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.3723,
    "c": 0.22314,
    "h": 270.7
  },
  "luminance": 0.04208
}

Semantic roles & 50–950 ramp

primary

#2217B3

secondary

#C5CD58

accent

#F434E6

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2217B3

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

Preview Lab → · Contrast checker → · Palette generator →