#23297C#23297C

#23297C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.138 H 273.0°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#23297C
RGB	rgb(35, 41, 124)
HSL	hsl(236, 56%, 31%)
HSV	hsv(236, 72%, 49%)
CMYK	cmyk(71.8%, 66.9%, 0%, 51.4%)
CIE-LAB	lab(21.57, 26.92, -47.86)
CIE-LCH	lch(21.57, 54.91, 299.36°)
OKLab	oklab(33.48% 0.0074 -0.1382)
OKLCH	oklch(33.48% 0.138 273)
XYZ	xyz(5.1229, 3.3979, 19.4508)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23297C #7C7623

analogous

#23557C #23297C #49237C

triadic

#23297C #7C2329 #297C23

tetradic

#23297C #7C2355 #7C7623 #237C49

square

#23297C #7C2355 #7C7623 #237C49

split-complementary

#23297C #7C4923 #557C23

monochromatic

#08091D #16194C #23297C #3039AC #4D55CD

Accessibility & contrast

On white

12.50

#23297C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#23297C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23297C

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23297C	#FFFFFF	#000000	##FFFFFF
##23297C	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#003F4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #23297c;
/* rgb */ color: rgb(35, 41, 124);
/* oklch */ color: oklch(33.5% 0.138 273.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#23297c",
  "rgb": {
    "r": 35,
    "g": 41,
    "b": 124
  },
  "hsl": {
    "h": 235.955,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33481,
    "c": 0.13839,
    "h": 273
  },
  "luminance": 0.03398
}

Semantic roles & 50–950 ramp

primary

#23297C

secondary

#AFA84C

accent

#D549DF

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #23297C

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

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