#2217B4#2217B4

#2217B4 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.4% C 0.224 H 270.6°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#2217B4
RGB	rgb(34, 23, 180)
HSL	hsl(244, 77%, 40%)
HSV	hsv(244, 87%, 71%)
CMYK	cmyk(81.1%, 87.2%, 0%, 29.4%)
CIE-LAB	lab(24.47, 55.14, -77.53)
CIE-LCH	lch(24.47, 95.14, 305.42°)
OKLab	oklab(37.35% 0.0023 -0.2242)
OKLCH	oklch(37.35% 0.224 270.6)
XYZ	xyz(9.2015, 4.2471, 43.5060)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2217B4 #A9B417

analogous

#175AB4 #2217B4 #7117B4

triadic

#2217B4 #B42217 #17B422

tetradic

#2217B4 #B4175A #A9B417 #17B471

square

#2217B4 #B4175A #A9B417 #17B471

split-complementary

#2217B4 #B47117 #5AB417

monochromatic

#0D0947 #18107E #2217B4 #3225E3 #655BEA

Accessibility & contrast

On white

11.35

#2217B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2217B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2217B4

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2217B4	#FFFFFF	#000000	##FFFFFF
##2217B4	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B8

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2217b4;
/* rgb */ color: rgb(34, 23, 180);
/* oklch */ color: oklch(37.4% 0.224 270.6);

Tailwind

colors: {
  custom: {
    50: '#7b5ccc',
    500: '#2217b4',
    950: '#000000',
  },
}

SCSS

$custom: #2217b4;
$custom-light: #7b5ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2217b4",
  "rgb": {
    "r": 34,
    "g": 23,
    "b": 180
  },
  "hsl": {
    "h": 244.204,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37355,
    "c": 0.22425,
    "h": 270.6
  },
  "luminance": 0.04248
}

Semantic roles & 50–950 ramp

primary

#2217B4

secondary

#C5CE59

accent

#F434E6

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2217B4

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

Preview Lab → · Contrast checker → · Palette generator →