#223758#223758

#223758 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.6% C 0.064 H 259.1°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#223758
RGB	rgb(34, 55, 88)
HSL	hsl(217, 44%, 24%)
HSV	hsv(217, 61%, 35%)
CMYK	cmyk(61.4%, 37.5%, 0%, 65.5%)
CIE-LAB	lab(22.92, 3.02, -22.41)
CIE-LCH	lch(22.92, 22.61, 277.66°)
OKLab	oklab(33.63% -0.0122 -0.0633)
OKLCH	oklch(33.63% 0.064 259.1)
XYZ	xyz(3.7867, 3.7767, 9.7601)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223758 #584322

analogous

#225258 #223758 #282258

triadic

#223758 #582237 #375822

tetradic

#223758 #582252 #584322 #225828

square

#223758 #582252 #584322 #225828

split-complementary

#223758 #582822 #525822

monochromatic

#090E16 #111B2C #223758 #335384 #446EB0

Accessibility & contrast

On white

11.96

#223758 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#223758 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223758

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223758	#FFFFFF	#000000	##FFFFFF
##223758	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293959

Deuteranopia (green-blind)

#233457

Tritanopia (blue-blind)

#003E43

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #223758;
/* rgb */ color: rgb(34, 55, 88);
/* oklch */ color: oklch(33.6% 0.064 259.1);

Tailwind

colors: {
  custom: {
    50: '#626d87',
    500: '#223758',
    950: '#000000',
  },
}

SCSS

$custom: #223758;
$custom-light: #626d87;
$custom-dark: #000000;

JSON

{
  "hex": "#223758",
  "rgb": {
    "r": 34,
    "g": 55,
    "b": 88
  },
  "hsl": {
    "h": 216.667,
    "s": 44.262,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33631,
    "c": 0.06448,
    "h": 259.1
  },
  "luminance": 0.03777
}

Semantic roles & 50–950 ramp

primary

#223758

secondary

#8C724A

accent

#A254D4

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #223758

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

Preview Lab → · Contrast checker → · Palette generator →