#23297E#23297E

#23297E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.7% C 0.141 H 272.9°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#23297E
RGB	rgb(35, 41, 126)
HSL	hsl(236, 57%, 32%)
HSV	hsv(236, 72%, 49%)
CMYK	cmyk(72.2%, 67.5%, 0%, 50.6%)
CIE-LAB	lab(21.76, 27.67, -48.82)
CIE-LCH	lch(21.76, 56.12, 299.54°)
OKLab	oklab(33.67% 0.0072 -0.141)
OKLCH	oklch(33.67% 0.141 272.9)
XYZ	xyz(5.2507, 3.4491, 20.1236)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23297E #7E7823

analogous

#23577E #23297E #4B237E

triadic

#23297E #7E2329 #297E23

tetradic

#23297E #7E2357 #7E7823 #237E4B

square

#23297E #7E2357 #7E7823 #237E4B

split-complementary

#23297E #7E4B23 #577E23

monochromatic

#080A1E #16194E #23297E #3039AE #4E56CE

Accessibility & contrast

On white

12.43

#23297E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#23297E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23297E

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23297E	#FFFFFF	#000000	##FFFFFF
##23297E	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#00307C

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #23297e;
/* rgb */ color: rgb(35, 41, 126);
/* oklch */ color: oklch(33.7% 0.141 272.9);

Tailwind

colors: {
  custom: {
    50: '#6c63a4',
    500: '#23297e',
    950: '#000000',
  },
}

SCSS

$custom: #23297e;
$custom-light: #6c63a4;
$custom-dark: #000000;

JSON

{
  "hex": "#23297e",
  "rgb": {
    "r": 35,
    "g": 41,
    "b": 126
  },
  "hsl": {
    "h": 236.044,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33675,
    "c": 0.14119,
    "h": 272.9
  },
  "luminance": 0.0345
}

Semantic roles & 50–950 ramp

primary

#23297E

secondary

#B0AA4C

accent

#D648E0

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #23297E

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

Preview Lab → · Contrast checker → · Palette generator →