#223D80#223D80

#223D80 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.9% C 0.118 H 264.8°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#223D80
RGB	rgb(34, 61, 128)
HSL	hsl(223, 58%, 32%)
HSV	hsv(223, 73%, 50%)
CMYK	cmyk(73.4%, 52.3%, 0%, 49.8%)
CIE-LAB	lab(27.40, 14.48, -40.92)
CIE-LCH	lch(27.40, 43.40, 289.49°)
OKLab	oklab(37.92% -0.0107 -0.1175)
OKLCH	oklch(37.92% 0.118 264.8)
XYZ	xyz(6.2233, 5.2354, 21.1004)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D80 #806522

analogous

#226C80 #223D80 #362280

triadic

#223D80 #80223D #3D8022

tetradic

#223D80 #80226C #806522 #228036

square

#223D80 #80226C #806522 #228036

split-complementary

#223D80 #803622 #6C8022

monochromatic

#080F1F #152650 #223D80 #2F54B0 #4D72D0

Accessibility & contrast

On white

10.26

#223D80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#223D80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D80

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D80	#FFFFFF	#000000	##FFFFFF
##223D80	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154582

Deuteranopia (green-blind)

#003D7F

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #223d80;
/* rgb */ color: rgb(34, 61, 128);
/* oklch */ color: oklch(37.9% 0.118 264.8);

Tailwind

colors: {
  custom: {
    50: '#6a72a5',
    500: '#223d80',
    950: '#000000',
  },
}

SCSS

$custom: #223d80;
$custom-light: #6a72a5;
$custom-dark: #000000;

JSON

{
  "hex": "#223d80",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 128
  },
  "hsl": {
    "h": 222.766,
    "s": 58.025,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3792,
    "c": 0.11804,
    "h": 264.8
  },
  "luminance": 0.05236
}

Semantic roles & 50–950 ramp

primary

#223D80

secondary

#B2954B

accent

#B547E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223D80

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

Preview Lab → · Contrast checker → · Palette generator →