#2228A8#2228A8

#2228A8 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.9% C 0.197 H 270.3°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#2228A8
RGB	rgb(34, 40, 168)
HSL	hsl(237, 66%, 40%)
HSV	hsv(237, 80%, 66%)
CMYK	cmyk(79.8%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(25.81, 43.22, -68.09)
CIE-LCH	lch(25.81, 80.65, 302.41°)
OKLab	oklab(37.88% 0.0009 -0.1972)
OKLCH	oklch(37.88% 0.197 270.3)
XYZ	xyz(8.4840, 4.6839, 37.4951)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2228A8 #A8A222

analogous

#226BA8 #2228A8 #5F22A8

triadic

#2228A8 #A82228 #28A822

tetradic

#2228A8 #A8226B #A8A222 #22A85F

square

#2228A8 #A8226B #A8A222 #22A85F

split-complementary

#2228A8 #A85F22 #6BA822

monochromatic

#0D1042 #181C75 #2228A8 #3239D5 #656AE0

Accessibility & contrast

On white

10.84

#2228A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2228A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2228A8

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2228A8	#FFFFFF	#000000	##FFFFFF
##2228A8	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2228a8;
/* rgb */ color: rgb(34, 40, 168);
/* oklch */ color: oklch(37.9% 0.197 270.3);

Tailwind

colors: {
  custom: {
    50: '#7664c3',
    500: '#2228a8',
    950: '#000000',
  },
}

SCSS

$custom: #2228a8;
$custom-light: #7664c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2228a8",
  "rgb": {
    "r": 34,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 237.313,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37875,
    "c": 0.19721,
    "h": 270.3
  },
  "luminance": 0.04685
}

Semantic roles & 50–950 ramp

primary

#2228A8

secondary

#C5C161

accent

#E23FE9

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2228A8

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

Preview Lab → · Contrast checker → · Palette generator →