#223D70#223D70

#223D70 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.094 H 261.9°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#223D70
RGB	rgb(34, 61, 112)
HSL	hsl(219, 53%, 29%)
HSV	hsv(219, 70%, 44%)
CMYK	cmyk(69.6%, 45.5%, 0%, 56.1%)
CIE-LAB	lab(26.29, 8.14, -32.59)
CIE-LCH	lch(26.29, 33.59, 284.03°)
OKLab	oklab(36.72% -0.0133 -0.093)
OKLCH	oklch(36.72% 0.094 261.9)
XYZ	xyz(5.2520, 4.8469, 15.9849)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D70 #705522

analogous

#226470 #223D70 #2E2270

triadic

#223D70 #70223D #3D7022

tetradic

#223D70 #702264 #705522 #22702E

square

#223D70 #702264 #705522 #22702E

split-complementary

#223D70 #702E22 #647022

monochromatic

#070D17 #142341 #223D70 #30579F #4672C7

Accessibility & contrast

On white

10.66

#223D70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#223D70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D70

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D70	#FFFFFF	#000000	##FFFFFF
##223D70	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254272

Deuteranopia (green-blind)

#183B6F

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223d70;
/* rgb */ color: rgb(34, 61, 112);
/* oklch */ color: oklch(36.7% 0.094 261.9);

Tailwind

colors: {
  custom: {
    50: '#677299',
    500: '#223d70',
    950: '#000000',
  },
}

SCSS

$custom: #223d70;
$custom-light: #677299;
$custom-dark: #000000;

JSON

{
  "hex": "#223d70",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 112
  },
  "hsl": {
    "h": 219.231,
    "s": 53.425,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36723,
    "c": 0.09399,
    "h": 261.9
  },
  "luminance": 0.04847
}

Semantic roles & 50–950 ramp

primary

#223D70

secondary

#A3854A

accent

#AA4BDD

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #223D70

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

Preview Lab → · Contrast checker → · Palette generator →