#223B7B#223B7B

#223B7B is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.1% C 0.113 H 265.2°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#223B7B
RGB	rgb(34, 59, 123)
HSL	hsl(223, 57%, 31%)
HSV	hsv(223, 72%, 48%)
CMYK	cmyk(72.4%, 52%, 0%, 51.8%)
CIE-LAB	lab(26.44, 13.89, -39.32)
CIE-LCH	lch(26.44, 41.70, 289.45°)
OKLab	oklab(37.08% -0.0094 -0.1129)
OKLCH	oklch(37.08% 0.113 265.2)
XYZ	xyz(5.7976, 4.8975, 19.3748)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B7B #7B6222

analogous

#22677B #223B7B #35227B

triadic

#223B7B #7B223B #3B7B22

tetradic

#223B7B #7B2267 #7B6222 #227B35

square

#223B7B #7B2267 #7B6222 #227B35

split-complementary

#223B7B #7B3522 #677B22

monochromatic

#070D1B #15244B #223B7B #2F52AB #4A6FCD

Accessibility & contrast

On white

10.61

#223B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#223B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B7B

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B7B	#FFFFFF	#000000	##FFFFFF
##223B7B	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16437D

Deuteranopia (green-blind)

#003B7A

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223b7b;
/* rgb */ color: rgb(34, 59, 123);
/* oklch */ color: oklch(37.1% 0.113 265.2);

Tailwind

colors: {
  custom: {
    50: '#6970a2',
    500: '#223b7b',
    950: '#000000',
  },
}

SCSS

$custom: #223b7b;
$custom-light: #6970a2;
$custom-dark: #000000;

JSON

{
  "hex": "#223b7b",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 123
  },
  "hsl": {
    "h": 223.146,
    "s": 56.688,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37078,
    "c": 0.11327,
    "h": 265.2
  },
  "luminance": 0.04898
}

Semantic roles & 50–950 ramp

primary

#223B7B

secondary

#AE924B

accent

#B548E0

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223B7B

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

Preview Lab → · Contrast checker → · Palette generator →