#434C8B#434C8B

#434C8B is a dark, moderate blue. Relative luminance 0.082; OKLCH L 44.1% C 0.103 H 275.2°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX#434C8B
RGBrgb(67, 76, 139)
HSLhsl(233, 35%, 40%)
HSVhsv(233, 52%, 55%)
CMYKcmyk(51.8%, 45.3%, 0%, 45.5%)
CIE-LABlab(34.45, 15.06, -36.31)
CIE-LCHlch(34.45, 39.31, 292.53°)
OKLaboklab(44.06% 0.0094 -0.103)
OKLCHoklch(44.06% 0.103 275.2)
XYZxyz(9.5579, 8.2257, 25.5052)
Luminance0.0823 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#434C8B #8B8243
analogous
#43708B #434C8B #5E438B
triadic
#434C8B #8B434C #4C8B43
tetradic
#434C8B #8B4370 #8B8243 #438B5E
square
#434C8B #8B4370 #8B8243 #438B5E
split-complementary
#434C8B #8B5E43 #708B43
monochromatic
#1B1F38 #2F3562 #434C8B #5B66B0 #848CC4

Accessibility & contrast

On white

7.94
#434C8B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#434C8B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #434C8B
7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##434C8B#FFFFFF#000000##FFFFFF
##434C8B1.007.942.657.94
#FFFFFF7.941.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#32548D
Deuteranopia (green-blind)
#2B4E8A
Tritanopia (blue-blind)
#255964
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #434c8b;
/* rgb */ color: rgb(67, 76, 139);
/* oklch */ color: oklch(44.1% 0.103 275.2);
Tailwind
colors: {
  custom: {
    50: '#7c7dad',
    500: '#434c8b',
    950: '#000000',
  },
}
SCSS
$custom: #434c8b;
$custom-light: #7c7dad;
$custom-dark: #000000;
JSON
{
  "hex": "#434c8b",
  "rgb": {
    "r": 67,
    "g": 76,
    "b": 139
  },
  "hsl": {
    "h": 232.5,
    "s": 34.951,
    "l": 40.392
  },
  "oklch": {
    "l": 0.44058,
    "c": 0.10348,
    "h": 275.2
  },
  "luminance": 0.08226
}

Semantic roles & 50–950 ramp

primary
#434C8B
secondary
#AFA87B
accent
#BD5DCB
background
#F7F7FA
surface
#EEEEF4
border
#C9C9CE
text
#0A0910
muted
#7C7B7F

Preview Lab

Preview with #434C8B

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

Preview Lab → · Contrast checker → · Palette generator →

#434C8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva