#223F91#223F91

#223F91 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.140 H 265.6°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#223F91
RGB	rgb(34, 63, 145)
HSL	hsl(224, 62%, 35%)
HSV	hsv(224, 77%, 57%)
CMYK	cmyk(76.6%, 56.6%, 0%, 43.1%)
CIE-LAB	lab(29.26, 19.83, -48.44)
CIE-LCH	lch(29.26, 52.34, 292.26°)
OKLab	oklab(39.74% -0.0108 -0.1396)
OKLCH	oklch(39.74% 0.14 265.6)
XYZ	xyz(7.5462, 5.9386, 27.5311)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F91 #917422

analogous

#227791 #223F91 #3C2291

triadic

#223F91 #91223F #3F9122

tetradic

#223F91 #912277 #917422 #22913C

square

#223F91 #912277 #917422 #22913C

split-complementary

#223F91 #913C22 #779122

monochromatic

#0B142E #16295F #223F91 #2E55C3 #5678D7

Accessibility & contrast

On white

9.60

#223F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#223F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F91

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F91	#FFFFFF	#000000	##FFFFFF
##223F91	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #223f91;
/* rgb */ color: rgb(34, 63, 145);
/* oklch */ color: oklch(39.7% 0.140 265.6);

Tailwind

colors: {
  custom: {
    50: '#6e73b2',
    500: '#223f91',
    950: '#000000',
  },
}

SCSS

$custom: #223f91;
$custom-light: #6e73b2;
$custom-dark: #000000;

JSON

{
  "hex": "#223f91",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 145
  },
  "hsl": {
    "h": 224.324,
    "s": 62.011,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39738,
    "c": 0.14006,
    "h": 265.6
  },
  "luminance": 0.05939
}

Semantic roles & 50–950 ramp

primary

#223F91

secondary

#BBA053

accent

#BB43E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #223F91

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

Preview Lab → · Contrast checker → · Palette generator →