#223B7C#223B7C

#223B7C is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.2% C 0.115 H 265.3°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#223B7C
RGB	rgb(34, 59, 124)
HSL	hsl(223, 57%, 31%)
HSV	hsv(223, 73%, 49%)
CMYK	cmyk(72.6%, 52.4%, 0%, 51.4%)
CIE-LAB	lab(26.51, 14.28, -39.83)
CIE-LCH	lch(26.51, 42.31, 289.73°)
OKLab	oklab(37.16% -0.0093 -0.1144)
OKLCH	oklch(37.16% 0.115 265.3)
XYZ	xyz(5.8605, 4.9227, 19.7062)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B7C #7C6322

analogous

#22687C #223B7C #36227C

triadic

#223B7C #7C223B #3B7C22

tetradic

#223B7C #7C2268 #7C6322 #227C36

square

#223B7C #7C2268 #7C6322 #227C36

split-complementary

#223B7C #7C3622 #687C22

monochromatic

#080D1C #15244C #223B7C #2F52AC #4B6FCE

Accessibility & contrast

On white

10.58

#223B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#223B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B7C

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B7C	#FFFFFF	#000000	##FFFFFF
##223B7C	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14437E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223b7c;
/* rgb */ color: rgb(34, 59, 124);
/* oklch */ color: oklch(37.2% 0.115 265.3);

Tailwind

colors: {
  custom: {
    50: '#6970a2',
    500: '#223b7c',
    950: '#000000',
  },
}

SCSS

$custom: #223b7c;
$custom-light: #6970a2;
$custom-dark: #000000;

JSON

{
  "hex": "#223b7c",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 124
  },
  "hsl": {
    "h": 223.333,
    "s": 56.962,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37156,
    "c": 0.11477,
    "h": 265.3
  },
  "luminance": 0.04923
}

Semantic roles & 50–950 ramp

primary

#223B7C

secondary

#AF934B

accent

#B648E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223B7C

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

Preview Lab → · Contrast checker → · Palette generator →