#23299E#23299E

#23299E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.0% C 0.184 H 271.0°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#23299E
RGB	rgb(35, 41, 158)
HSL	hsl(237, 64%, 38%)
HSV	hsv(237, 78%, 62%)
CMYK	cmyk(77.8%, 74.1%, 0%, 38%)
CIE-LAB	lab(24.99, 39.27, -63.39)
CIE-LCH	lch(24.99, 74.57, 301.78°)
OKLab	oklab(36.98% 0.0032 -0.1835)
OKLCH	oklch(36.98% 0.184 271)
XYZ	xyz(7.6555, 4.4110, 32.7891)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23299E #9E9823

analogous

#23679E #23299E #5A239E

triadic

#23299E #9E2329 #299E23

tetradic

#23299E #9E2367 #9E9823 #239E5A

square

#23299E #9E2367 #9E9823 #239E5A

split-complementary

#23299E #9E5A23 #679E23

monochromatic

#0D0F3A #181C6C #23299E #2E36D0 #6066DC

Accessibility & contrast

On white

11.16

#23299E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#23299E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23299E

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23299E	#FFFFFF	#000000	##FFFFFF
##23299E	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A1

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23299e;
/* rgb */ color: rgb(35, 41, 158);
/* oklch */ color: oklch(37.0% 0.184 271.0);

Tailwind

colors: {
  custom: {
    50: '#7464bc',
    500: '#23299e',
    950: '#000000',
  },
}

SCSS

$custom: #23299e;
$custom-light: #7464bc;
$custom-dark: #000000;

JSON

{
  "hex": "#23299e",
  "rgb": {
    "r": 35,
    "g": 41,
    "b": 158
  },
  "hsl": {
    "h": 237.073,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36978,
    "c": 0.18357,
    "h": 271
  },
  "luminance": 0.04412
}

Semantic roles & 50–950 ramp

primary

#23299E

secondary

#C1BC5C

accent

#DF41E7

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #23299E

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

Preview Lab → · Contrast checker → · Palette generator →