#434EB3#434EB3

#434EB3 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.3% C 0.159 H 274.0°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#434EB3
RGB	rgb(67, 78, 179)
HSL	hsl(234, 46%, 48%)
HSV	hsv(234, 63%, 70%)
CMYK	cmyk(62.6%, 56.4%, 0%, 29.8%)
CIE-LAB	lab(37.65, 27.48, -55.19)
CIE-LCH	lch(37.65, 61.66, 296.47°)
OKLab	oklab(47.33% 0.011 -0.1585)
OKLCH	oklch(47.33% 0.159 274)
XYZ	xyz(13.1731, 9.8957, 43.8549)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434EB3 #B3A843

analogous

#4386B3 #434EB3 #7043B3

triadic

#434EB3 #B3434E #4EB343

tetradic

#434EB3 #B34386 #B3A843 #43B370

square

#434EB3 #B34386 #B3A843 #43B370

split-complementary

#434EB3 #B37043 #86B343

monochromatic

#22275A #323B86 #434EB3 #6B75C8 #989ED8

Accessibility & contrast

On white

7.05

#434EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#434EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #434EB3

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434EB3	#FFFFFF	#000000	##FFFFFF
##434EB3	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #434eb3;
/* rgb */ color: rgb(67, 78, 179);
/* oklch */ color: oklch(47.3% 0.159 274.0);

Tailwind

colors: {
  custom: {
    50: '#837fca',
    500: '#434eb3',
    950: '#000000',
  },
}

SCSS

$custom: #434eb3;
$custom-light: #837fca;
$custom-dark: #000000;

JSON

{
  "hex": "#434eb3",
  "rgb": {
    "r": 67,
    "g": 78,
    "b": 179
  },
  "hsl": {
    "h": 234.107,
    "s": 45.528,
    "l": 48.235
  },
  "oklch": {
    "l": 0.4733,
    "c": 0.15893,
    "h": 274
  },
  "luminance": 0.09897
}

Semantic roles & 50–950 ramp

primary

#434EB3

secondary

#C4BF8D

accent

#C853D5

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #434EB3

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

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