#434FB3#434FB3

#434FB3 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.5% C 0.158 H 273.6°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#434FB3
RGB	rgb(67, 79, 179)
HSL	hsl(234, 46%, 48%)
HSV	hsv(234, 63%, 70%)
CMYK	cmyk(62.6%, 55.9%, 0%, 29.8%)
CIE-LAB	lab(37.91, 26.84, -54.78)
CIE-LCH	lch(37.91, 61.00, 296.11°)
OKLab	oklab(47.52% 0.01 -0.1573)
OKLCH	oklch(47.52% 0.158 273.6)
XYZ	xyz(13.2447, 10.0388, 43.8788)
Luminance	0.1004 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FB3 #B3A743

analogous

#4387B3 #434FB3 #6F43B3

triadic

#434FB3 #B3434F #4FB343

tetradic

#434FB3 #B34387 #B3A743 #43B36F

square

#434FB3 #B34387 #B3A743 #43B36F

split-complementary

#434FB3 #B36F43 #87B343

monochromatic

#22285A #323B86 #434FB3 #6B75C8 #989FD8

Accessibility & contrast

On white

6.98

#434FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#434FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FB3

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FB3	#FFFFFF	#000000	##FFFFFF
##434FB3	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #434fb3;
/* rgb */ color: rgb(67, 79, 179);
/* oklch */ color: oklch(47.5% 0.158 273.6);

Tailwind

colors: {
  custom: {
    50: '#8380ca',
    500: '#434fb3',
    950: '#000000',
  },
}

SCSS

$custom: #434fb3;
$custom-light: #8380ca;
$custom-dark: #000000;

JSON

{
  "hex": "#434fb3",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 179
  },
  "hsl": {
    "h": 233.571,
    "s": 45.528,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47522,
    "c": 0.15763,
    "h": 273.6
  },
  "luminance": 0.1004
}

Semantic roles & 50–950 ramp

primary

#434FB3

secondary

#C4BE8D

accent

#C753D5

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #434FB3

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

Preview Lab → · Contrast checker → · Palette generator →