#223A7B#223A7B

#223A7B is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.9% C 0.115 H 265.8°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#223A7B
RGB	rgb(34, 58, 123)
HSL	hsl(224, 57%, 31%)
HSV	hsv(224, 72%, 48%)
CMYK	cmyk(72.4%, 52.8%, 0%, 51.8%)
CIE-LAB	lab(26.14, 14.59, -39.80)
CIE-LCH	lch(26.14, 42.38, 290.13°)
OKLab	oklab(36.85% -0.0085 -0.1143)
OKLCH	oklch(36.85% 0.115 265.8)
XYZ	xyz(5.7466, 4.7957, 19.3579)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A7B #7B6322

analogous

#22667B #223A7B #36227B

triadic

#223A7B #7B223A #3A7B22

tetradic

#223A7B #7B2266 #7B6322 #227B36

square

#223A7B #7B2266 #7B6322 #227B36

split-complementary

#223A7B #7B3622 #667B22

monochromatic

#070D1B #15234B #223A7B #2F51AB #4A6ECD

Accessibility & contrast

On white

10.72

#223A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#223A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A7B

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A7B	#FFFFFF	#000000	##FFFFFF
##223A7B	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13427D

Deuteranopia (green-blind)

#003A7A

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223a7b;
/* rgb */ color: rgb(34, 58, 123);
/* oklch */ color: oklch(36.9% 0.115 265.8);

Tailwind

colors: {
  custom: {
    50: '#696fa2',
    500: '#223a7b',
    950: '#000000',
  },
}

SCSS

$custom: #223a7b;
$custom-light: #696fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#223a7b",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 123
  },
  "hsl": {
    "h": 223.82,
    "s": 56.688,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36853,
    "c": 0.11461,
    "h": 265.8
  },
  "luminance": 0.04796
}

Semantic roles & 50–950 ramp

primary

#223A7B

secondary

#AE934B

accent

#B748E0

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223A7B

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

Preview Lab → · Contrast checker → · Palette generator →