#434DB1#434DB1

#434DB1 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.0% C 0.157 H 274.3°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#434DB1
RGB	rgb(67, 77, 177)
HSL	hsl(235, 45%, 48%)
HSV	hsv(235, 62%, 69%)
CMYK	cmyk(62.1%, 56.5%, 0%, 30.6%)
CIE-LAB	lab(37.25, 27.43, -54.66)
CIE-LCH	lch(37.25, 61.16, 296.65°)
OKLab	oklab(46.98% 0.0119 -0.157)
OKLCH	oklch(46.98% 0.157 274.3)
XYZ	xyz(12.9018, 9.6743, 42.7739)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434DB1 #B1A743

analogous

#4384B1 #434DB1 #7043B1

triadic

#434DB1 #B1434D #4DB143

tetradic

#434DB1 #B14384 #B1A743 #43B170

square

#434DB1 #B14384 #B1A743 #43B170

split-complementary

#434DB1 #B17043 #84B143

monochromatic

#212658 #323A85 #434DB1 #6A73C7 #979DD8

Accessibility & contrast

On white

7.16

#434DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#434DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #434DB1

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434DB1	#FFFFFF	#000000	##FFFFFF
##434DB1	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB4

Deuteranopia (green-blind)

#0053AF

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #434db1;
/* rgb */ color: rgb(67, 77, 177);
/* oklch */ color: oklch(47.0% 0.157 274.3);

Tailwind

colors: {
  custom: {
    50: '#827ec9',
    500: '#434db1',
    950: '#000000',
  },
}

SCSS

$custom: #434db1;
$custom-light: #827ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#434db1",
  "rgb": {
    "r": 67,
    "g": 77,
    "b": 177
  },
  "hsl": {
    "h": 234.545,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.46983,
    "c": 0.15746,
    "h": 274.3
  },
  "luminance": 0.09675
}

Semantic roles & 50–950 ramp

primary

#434DB1

secondary

#C3BE8C

accent

#C953D5

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #434DB1

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

Preview Lab → · Contrast checker → · Palette generator →