#23299D#23299D

#23299D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.9% C 0.182 H 271.1°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#23299D
RGB	rgb(35, 41, 157)
HSL	hsl(237, 64%, 38%)
HSV	hsv(237, 78%, 62%)
CMYK	cmyk(77.7%, 73.9%, 0%, 38.4%)
CIE-LAB	lab(24.88, 38.92, -62.96)
CIE-LCH	lch(24.88, 74.01, 301.72°)
OKLab	oklab(36.87% 0.0034 -0.1823)
OKLCH	oklch(36.87% 0.182 271.1)
XYZ	xyz(7.5698, 4.3767, 32.3376)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23299D #9D9723

analogous

#23669D #23299D #5A239D

triadic

#23299D #9D2329 #299D23

tetradic

#23299D #9D2366 #9D9723 #239D5A

square

#23299D #9D2366 #9D9723 #239D5A

split-complementary

#23299D #9D5A23 #669D23

monochromatic

#0D0F39 #181C6B #23299D #2E36CF #5F65DB

Accessibility & contrast

On white

11.20

#23299D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#23299D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23299D

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23299D	#FFFFFF	#000000	##FFFFFF
##23299D	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#00359B

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23299d;
/* rgb */ color: rgb(35, 41, 157);
/* oklch */ color: oklch(36.9% 0.182 271.1);

Tailwind

colors: {
  custom: {
    50: '#7464bb',
    500: '#23299d',
    950: '#000000',
  },
}

SCSS

$custom: #23299d;
$custom-light: #7464bb;
$custom-dark: #000000;

JSON

{
  "hex": "#23299d",
  "rgb": {
    "r": 35,
    "g": 41,
    "b": 157
  },
  "hsl": {
    "h": 237.049,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.3687,
    "c": 0.18231,
    "h": 271.1
  },
  "luminance": 0.04378
}

Semantic roles & 50–950 ramp

primary

#23299D

secondary

#C0BB5C

accent

#DE41E7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #23299D

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

Preview Lab → · Contrast checker → · Palette generator →