#223DA0#223DA0

#223DA0 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.163 H 266.9°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#223DA0
RGB	rgb(34, 61, 160)
HSL	hsl(227, 65%, 38%)
HSV	hsv(227, 79%, 63%)
CMYK	cmyk(78.8%, 61.9%, 0%, 37.3%)
CIE-LAB	lab(29.95, 27.04, -56.46)
CIE-LCH	lch(29.95, 62.60, 295.59°)
OKLab	oklab(40.64% -0.0088 -0.1632)
OKLCH	oklch(40.64% 0.163 266.9)
XYZ	xyz(8.6714, 6.2146, 33.9934)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223DA0 #A08522

analogous

#227CA0 #223DA0 #4622A0

triadic

#223DA0 #A0223D #3DA022

tetradic

#223DA0 #A0227C #A08522 #22A046

square

#223DA0 #A0227C #A08522 #22A046

split-complementary

#223DA0 #A04622 #7CA022

monochromatic

#0D173B #172A6E #223DA0 #2D50D2 #5F7ADD

Accessibility & contrast

On white

9.36

#223DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#223DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223DA0

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223DA0	#FFFFFF	#000000	##FFFFFF
##223DA0	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00419E

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #223da0;
/* rgb */ color: rgb(34, 61, 160);
/* oklch */ color: oklch(40.6% 0.163 266.9);

Tailwind

colors: {
  custom: {
    50: '#7272bd',
    500: '#223da0',
    950: '#000000',
  },
}

SCSS

$custom: #223da0;
$custom-light: #7272bd;
$custom-dark: #000000;

JSON

{
  "hex": "#223da0",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 160
  },
  "hsl": {
    "h": 227.143,
    "s": 64.948,
    "l": 38.039
  },
  "oklch": {
    "l": 0.4064,
    "c": 0.16346,
    "h": 266.9
  },
  "luminance": 0.06216
}

Semantic roles & 50–950 ramp

primary

#223DA0

secondary

#C2AC5C

accent

#C440E8

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223DA0

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

Preview Lab → · Contrast checker → · Palette generator →