#23337A#23337A

#23337A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.122 H 269.5°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#23337A
RGB	rgb(35, 51, 122)
HSL	hsl(229, 55%, 31%)
HSV	hsv(229, 71%, 48%)
CMYK	cmyk(71.3%, 58.2%, 0%, 52.2%)
CIE-LAB	lab(24.10, 19.26, -42.48)
CIE-LCH	lch(24.10, 46.64, 294.38°)
OKLab	oklab(35.3% -0.001 -0.1223)
OKLCH	oklch(35.3% 0.122 269.5)
XYZ	xyz(5.3886, 4.1296, 18.9217)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23337A #7A6A23

analogous

#235E7A #23337A #3F237A

triadic

#23337A #7A2333 #337A23

tetradic

#23337A #7A235E #7A6A23 #237A3F

square

#23337A #7A235E #7A6A23 #237A3F

split-complementary

#23337A #7A3F23 #5E7A23

monochromatic

#080B1B #151F4A #23337A #3147AA #4C63CC

Accessibility & contrast

On white

11.50

#23337A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#23337A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23337A

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23337A	#FFFFFF	#000000	##FFFFFF
##23337A	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7C

Deuteranopia (green-blind)

#003579

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #23337a;
/* rgb */ color: rgb(35, 51, 122);
/* oklch */ color: oklch(35.3% 0.122 269.5);

Tailwind

colors: {
  custom: {
    50: '#6a6aa1',
    500: '#23337a',
    950: '#000000',
  },
}

SCSS

$custom: #23337a;
$custom-light: #6a6aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#23337a",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 122
  },
  "hsl": {
    "h": 228.966,
    "s": 55.414,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35296,
    "c": 0.12228,
    "h": 269.5
  },
  "luminance": 0.0413
}

Semantic roles & 50–950 ramp

primary

#23337A

secondary

#AD9B4C

accent

#C349DF

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23337A

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

Preview Lab → · Contrast checker → · Palette generator →