#423883#423883

#423883 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.121 H 285.5°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX#423883
RGBrgb(66, 56, 131)
HSLhsl(248, 40%, 37%)
HSVhsv(248, 57%, 51%)
CMYKcmyk(49.6%, 57.3%, 0%, 48.6%)
CIE-LABlab(28.45, 25.30, -40.99)
CIE-LCHlch(28.45, 48.17, 301.69°)
OKLaboklab(39.35% 0.0323 -0.117)
OKLCHoklch(39.35% 0.121 285.5)
XYZxyz(7.7565, 5.6249, 22.1454)
Luminance0.0563 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423883 #798338
analogous
#385483 #423883 #683883
triadic
#423883 #834238 #388342
tetradic
#423883 #833854 #798338 #388368
square
#423883 #833854 #798338 #388368
split-complementary
#423883 #836838 #548338
monochromatic
#17132D #2C2658 #423883 #584AAE #7D72C3

Accessibility & contrast

On white

9.88
#423883 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.13
#423883 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423883
9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423883#FFFFFF#000000##FFFFFF
##4238831.009.882.139.88
#FFFFFF9.881.0021.001.00
#0000002.1321.001.0021.00
##FFFFFF9.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0B4586
Deuteranopia (green-blind)
#084181
Tritanopia (blue-blind)
#2C4958
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #423883;
/* rgb */ color: rgb(66, 56, 131);
/* oklch */ color: oklch(39.4% 0.121 285.5);
Tailwind
colors: {
  custom: {
    50: '#7b6fa8',
    500: '#423883',
    950: '#000000',
  },
}
SCSS
$custom: #423883;
$custom-light: #7b6fa8;
$custom-dark: #000000;
JSON
{
  "hex": "#423883",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 131
  },
  "hsl": {
    "h": 248,
    "s": 40.107,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39351,
    "c": 0.12136,
    "h": 285.5
  },
  "luminance": 0.05625
}

Semantic roles & 50–950 ramp

primary
#423883
secondary
#A3AC6B
accent
#D058C0
background
#F7F6FA
surface
#EEECF4
border
#C9C7CE
text
#0A070F
muted
#7C7A7F

Preview Lab

Preview with #423883

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

Preview Lab → · Contrast checker → · Palette generator →

#423883 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva