#223151#223151

#223151 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.7% C 0.061 H 264.2°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#223151
RGB	rgb(34, 49, 81)
HSL	hsl(221, 41%, 23%)
HSV	hsv(221, 58%, 32%)
CMYK	cmyk(58%, 39.5%, 0%, 68.2%)
CIE-LAB	lab(20.56, 4.58, -21.48)
CIE-LCH	lch(20.56, 21.97, 282.04°)
OKLab	oklab(31.67% -0.0062 -0.0607)
OKLCH	oklch(31.67% 0.061 264.2)
XYZ	xyz(3.2427, 3.1306, 8.2164)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223151 #514222

analogous

#224951 #223151 #2A2251

triadic

#223151 #512231 #315122

tetradic

#223151 #512249 #514222 #22512A

square

#223151 #512249 #514222 #22512A

split-complementary

#223151 #512A22 #495122

monochromatic

#090D16 #101726 #223151 #344B7C #4665A7

Accessibility & contrast

On white

12.91

#223151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#223151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223151

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223151	#FFFFFF	#000000	##FFFFFF
##223151	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243452

Deuteranopia (green-blind)

#1F3050

Tritanopia (blue-blind)

#0A383D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #223151;
/* rgb */ color: rgb(34, 49, 81);
/* oklch */ color: oklch(31.7% 0.061 264.2);

Tailwind

colors: {
  custom: {
    50: '#616882',
    500: '#223151',
    950: '#000000',
  },
}

SCSS

$custom: #223151;
$custom-light: #616882;
$custom-dark: #000000;

JSON

{
  "hex": "#223151",
  "rgb": {
    "r": 34,
    "g": 49,
    "b": 81
  },
  "hsl": {
    "h": 220.851,
    "s": 40.87,
    "l": 22.549
  },
  "oklch": {
    "l": 0.31666,
    "c": 0.06099,
    "h": 264.2
  },
  "luminance": 0.03131
}

Semantic roles & 50–950 ramp

primary

#223151

secondary

#85724A

accent

#AA57D1

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05060A

muted

#797A7C

Preview Lab

Preview with #223151

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

Preview Lab → · Contrast checker → · Palette generator →