#423D79#423D79

#423D79 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.6% C 0.099 H 284.7°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#423D79
RGB	rgb(66, 61, 121)
HSL	hsl(245, 33%, 36%)
HSV	hsv(245, 50%, 47%)
CMYK	cmyk(45.5%, 49.6%, 0%, 52.5%)
CIE-LAB	lab(29.10, 18.79, -33.68)
CIE-LCH	lch(29.10, 38.56, 299.16°)
OKLab	oklab(39.62% 0.0251 -0.0955)
OKLCH	oklch(39.62% 0.099 284.7)
XYZ	xyz(7.3657, 5.8759, 18.8315)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D79 #74793D

analogous

#3D5679 #423D79 #603D79

triadic

#423D79 #79423D #3D7942

tetradic

#423D79 #793D56 #74793D #3D7960

square

#423D79 #793D56 #74793D #3D7960

split-complementary

#423D79 #79603D #56793D

monochromatic

#161428 #2C2850 #423D79 #5852A2 #7C76BA

Accessibility & contrast

On white

9.65

#423D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#423D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D79

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D79	#FFFFFF	#000000	##FFFFFF
##423D79	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25467B

Deuteranopia (green-blind)

#234378

Tritanopia (blue-blind)

#314955

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #423d79;
/* rgb */ color: rgb(66, 61, 121);
/* oklch */ color: oklch(39.6% 0.099 284.7);

Tailwind

colors: {
  custom: {
    50: '#7a72a0',
    500: '#423d79',
    950: '#000000',
  },
}

SCSS

$custom: #423d79;
$custom-light: #7a72a0;
$custom-dark: #000000;

JSON

{
  "hex": "#423d79",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 121
  },
  "hsl": {
    "h": 245,
    "s": 32.967,
    "l": 35.686
  },
  "oklch": {
    "l": 0.39623,
    "c": 0.09871,
    "h": 284.7
  },
  "luminance": 0.05876
}

Semantic roles & 50–950 ramp

primary

#423D79

secondary

#A0A46E

accent

#C95FC0

background

#F7F6F9

surface

#EEECF2

border

#C9C7CC

text

#09080F

muted

#7B7B7E

Preview Lab

Preview with #423D79

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

Preview Lab → · Contrast checker → · Palette generator →