#2227A8#2227A8

#2227A8 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.198 H 270.4°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2227A8
RGB	rgb(34, 39, 168)
HSL	hsl(238, 66%, 40%)
HSV	hsv(238, 80%, 66%)
CMYK	cmyk(79.8%, 76.8%, 0%, 34.1%)
CIE-LAB	lab(25.62, 43.79, -68.42)
CIE-LCH	lch(25.62, 81.23, 302.62°)
OKLab	oklab(37.73% 0.0013 -0.1982)
OKLCH	oklch(37.73% 0.198 270.4)
XYZ	xyz(8.4507, 4.6173, 37.4840)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2227A8 #A8A322

analogous

#226AA8 #2227A8 #6022A8

triadic

#2227A8 #A82227 #27A822

tetradic

#2227A8 #A8226A #A8A322 #22A860

square

#2227A8 #A8226A #A8A322 #22A860

split-complementary

#2227A8 #A86022 #6AA822

monochromatic

#0D0F42 #181B75 #2227A8 #3238D5 #6569E0

Accessibility & contrast

On white

10.92

#2227A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2227A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2227A8

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2227A8	#FFFFFF	#000000	##FFFFFF
##2227A8	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2227a8;
/* rgb */ color: rgb(34, 39, 168);
/* oklch */ color: oklch(37.7% 0.198 270.4);

Tailwind

colors: {
  custom: {
    50: '#7663c3',
    500: '#2227a8',
    950: '#000000',
  },
}

SCSS

$custom: #2227a8;
$custom-light: #7663c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2227a8",
  "rgb": {
    "r": 34,
    "g": 39,
    "b": 168
  },
  "hsl": {
    "h": 237.761,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37734,
    "c": 0.19816,
    "h": 270.4
  },
  "luminance": 0.04618
}

Semantic roles & 50–950 ramp

primary

#2227A8

secondary

#C5C161

accent

#E33FE9

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2227A8

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

Preview Lab → · Contrast checker → · Palette generator →