#23297D#23297D

#23297D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.140 H 273.0°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#23297D
RGB	rgb(35, 41, 125)
HSL	hsl(236, 56%, 31%)
HSV	hsv(236, 72%, 49%)
CMYK	cmyk(72%, 67.2%, 0%, 51%)
CIE-LAB	lab(21.67, 27.30, -48.34)
CIE-LCH	lch(21.67, 55.52, 299.45°)
OKLab	oklab(33.58% 0.0073 -0.1396)
OKLCH	oklch(33.58% 0.14 273)
XYZ	xyz(5.1865, 3.4234, 19.7855)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23297D #7D7723

analogous

#23567D #23297D #4A237D

triadic

#23297D #7D2329 #297D23

tetradic

#23297D #7D2356 #7D7723 #237D4A

square

#23297D #7D2356 #7D7723 #237D4A

split-complementary

#23297D #7D4A23 #567D23

monochromatic

#080A1D #16194D #23297D #3039AD #4D56CD

Accessibility & contrast

On white

12.46

#23297D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#23297D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23297D

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23297D	#FFFFFF	#000000	##FFFFFF
##23297D	1.00	12.46	1.68	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #23297d;
/* rgb */ color: rgb(35, 41, 125);
/* oklch */ color: oklch(33.6% 0.140 273.0);

Tailwind

colors: {
  custom: {
    50: '#6b63a3',
    500: '#23297d',
    950: '#000000',
  },
}

SCSS

$custom: #23297d;
$custom-light: #6b63a3;
$custom-dark: #000000;

JSON

{
  "hex": "#23297d",
  "rgb": {
    "r": 35,
    "g": 41,
    "b": 125
  },
  "hsl": {
    "h": 236,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33578,
    "c": 0.13979,
    "h": 273
  },
  "luminance": 0.03424
}

Semantic roles & 50–950 ramp

primary

#23297D

secondary

#AFA94C

accent

#D548E0

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #23297D

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

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