#223F7F#223F7F

#223F7F is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.114 H 263.6°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#223F7F
RGB	rgb(34, 63, 127)
HSL	hsl(221, 58%, 32%)
HSV	hsv(221, 73%, 50%)
CMYK	cmyk(73.2%, 50.4%, 0%, 50.2%)
CIE-LAB	lab(27.92, 12.69, -39.45)
CIE-LCH	lch(27.92, 41.44, 287.84°)
OKLab	oklab(38.3% -0.0127 -0.1132)
OKLCH	oklch(38.3% 0.114 263.6)
XYZ	xyz(6.2666, 5.4267, 20.7918)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F7F #7F6222

analogous

#226E7F #223F7F #34227F

triadic

#223F7F #7F223F #3F7F22

tetradic

#223F7F #7F226E #7F6222 #227F34

square

#223F7F #7F226E #7F6222 #227F34

split-complementary

#223F7F #7F3422 #6E7F22

monochromatic

#080F1E #15274F #223F7F #2F57AF #4C75CF

Accessibility & contrast

On white

10.07

#223F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#223F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F7F

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F7F	#FFFFFF	#000000	##FFFFFF
##223F7F	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4681

Deuteranopia (green-blind)

#013E7E

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223f7f;
/* rgb */ color: rgb(34, 63, 127);
/* oklch */ color: oklch(38.3% 0.114 263.6);

Tailwind

colors: {
  custom: {
    50: '#6a73a5',
    500: '#223f7f',
    950: '#000000',
  },
}

SCSS

$custom: #223f7f;
$custom-light: #6a73a5;
$custom-dark: #000000;

JSON

{
  "hex": "#223f7f",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 127
  },
  "hsl": {
    "h": 221.29,
    "s": 57.764,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38296,
    "c": 0.11391,
    "h": 263.6
  },
  "luminance": 0.05427
}

Semantic roles & 50–950 ramp

primary

#223F7F

secondary

#B2924B

accent

#B147E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #223F7F

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

Preview Lab → · Contrast checker → · Palette generator →