#223AA0#223AA0

#223AA0 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.167 H 267.6°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#223AA0
RGB	rgb(34, 58, 160)
HSL	hsl(229, 65%, 38%)
HSV	hsv(229, 79%, 63%)
CMYK	cmyk(78.8%, 63.8%, 0%, 37.3%)
CIE-LAB	lab(29.17, 29.05, -57.73)
CIE-LCH	lch(29.17, 64.63, 296.71°)
OKLab	oklab(40.06% -0.0069 -0.167)
OKLCH	oklch(40.06% 0.167 267.6)
XYZ	xyz(8.5157, 5.9033, 33.9415)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223AA0 #A08822

analogous

#2279A0 #223AA0 #4922A0

triadic

#223AA0 #A0223A #3AA022

tetradic

#223AA0 #A02279 #A08822 #22A049

square

#223AA0 #A02279 #A08822 #22A049

split-complementary

#223AA0 #A04922 #79A022

monochromatic

#0D153B #17286E #223AA0 #2D4CD2 #5F77DD

Accessibility & contrast

On white

9.63

#223AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#223AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223AA0

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223AA0	#FFFFFF	#000000	##FFFFFF
##223AA0	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA3

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #223aa0;
/* rgb */ color: rgb(34, 58, 160);
/* oklch */ color: oklch(40.1% 0.167 267.6);

Tailwind

colors: {
  custom: {
    50: '#7270bd',
    500: '#223aa0',
    950: '#000000',
  },
}

SCSS

$custom: #223aa0;
$custom-light: #7270bd;
$custom-dark: #000000;

JSON

{
  "hex": "#223aa0",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 160
  },
  "hsl": {
    "h": 228.571,
    "s": 64.948,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40062,
    "c": 0.16714,
    "h": 267.6
  },
  "luminance": 0.05904
}

Semantic roles & 50–950 ramp

primary

#223AA0

secondary

#C2AE5C

accent

#C840E8

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223AA0

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

Preview Lab → · Contrast checker → · Palette generator →