#23297F#23297F

#23297F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.8% C 0.143 H 272.9°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#23297F
RGB	rgb(35, 41, 127)
HSL	hsl(236, 57%, 32%)
HSV	hsv(236, 72%, 50%)
CMYK	cmyk(72.4%, 67.7%, 0%, 50.2%)
CIE-LAB	lab(21.85, 28.05, -49.30)
CIE-LCH	lch(21.85, 56.72, 299.64°)
OKLab	oklab(33.77% 0.0071 -0.1424)
OKLCH	oklch(33.77% 0.143 272.9)
XYZ	xyz(5.3156, 3.4750, 20.4652)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23297F #7F7923

analogous

#23577F #23297F #4B237F

triadic

#23297F #7F2329 #297F23

tetradic

#23297F #7F2357 #7F7923 #237F4B

square

#23297F #7F2357 #7F7923 #237F4B

split-complementary

#23297F #7F4B23 #577F23

monochromatic

#090A1F #161A4F #23297F #3038AF #4E56CE

Accessibility & contrast

On white

12.39

#23297F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#23297F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23297F

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23297F	#FFFFFF	#000000	##FFFFFF
##23297F	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#00307D

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #23297f;
/* rgb */ color: rgb(35, 41, 127);
/* oklch */ color: oklch(33.8% 0.143 272.9);

Tailwind

colors: {
  custom: {
    50: '#6c63a5',
    500: '#23297f',
    950: '#000000',
  },
}

SCSS

$custom: #23297f;
$custom-light: #6c63a5;
$custom-dark: #000000;

JSON

{
  "hex": "#23297f",
  "rgb": {
    "r": 35,
    "g": 41,
    "b": 127
  },
  "hsl": {
    "h": 236.087,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33773,
    "c": 0.14259,
    "h": 272.9
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#23297F

secondary

#B1AB4C

accent

#D648E0

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #23297F

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

Preview Lab → · Contrast checker → · Palette generator →