#423B7D#423B7D

#423B7D is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.5% C 0.108 H 285.1°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#423B7D
RGB	rgb(66, 59, 125)
HSL	hsl(246, 36%, 36%)
HSV	hsv(246, 53%, 49%)
CMYK	cmyk(47.2%, 52.8%, 0%, 51%)
CIE-LAB	lab(28.82, 21.40, -36.64)
CIE-LCH	lch(28.82, 42.43, 300.28°)
OKLab	oklab(39.5% 0.0282 -0.1042)
OKLCH	oklch(39.5% 0.108 285.1)
XYZ	xyz(7.5113, 5.7665, 20.1153)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B7D #767D3B

analogous

#3B557D #423B7D #633B7D

triadic

#423B7D #7D423B #3B7D42

tetradic

#423B7D #7D3B55 #767D3B #3B7D63

square

#423B7D #7D3B55 #767D3B #3B7D63

split-complementary

#423B7D #7D633B #557D3B

monochromatic

#16142A #2C2753 #423B7D #584FA7 #7C75BE

Accessibility & contrast

On white

9.75

#423B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#423B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B7D

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B7D	#FFFFFF	#000000	##FFFFFF
##423B7D	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D467F

Deuteranopia (green-blind)

#1B427C

Tritanopia (blue-blind)

#2F4956

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #423b7d;
/* rgb */ color: rgb(66, 59, 125);
/* oklch */ color: oklch(39.5% 0.108 285.1);

Tailwind

colors: {
  custom: {
    50: '#7a71a3',
    500: '#423b7d',
    950: '#000000',
  },
}

SCSS

$custom: #423b7d;
$custom-light: #7a71a3;
$custom-dark: #000000;

JSON

{
  "hex": "#423b7d",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 125
  },
  "hsl": {
    "h": 246.364,
    "s": 35.87,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39495,
    "c": 0.10792,
    "h": 285.1
  },
  "luminance": 0.05767
}

Semantic roles & 50–950 ramp

primary

#423B7D

secondary

#A1A76C

accent

#CC5CC0

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A070F

muted

#7C7A7F

Preview Lab

Preview with #423B7D

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

Preview Lab → · Contrast checker → · Palette generator →