#434FC5#434FC5

#434FC5 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.0% C 0.182 H 273.2°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#434FC5
RGB	rgb(67, 79, 197)
HSL	hsl(234, 53%, 52%)
HSV	hsv(234, 66%, 77%)
CMYK	cmyk(66%, 59.9%, 0%, 22.7%)
CIE-LAB	lab(39.27, 33.09, -63.12)
CIE-LCH	lch(39.27, 71.27, 297.67°)
OKLab	oklab(48.96% 0.0102 -0.1818)
OKLCH	oklch(48.96% 0.182 273.2)
XYZ	xyz(15.1854, 10.8151, 54.0998)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FC5 #C5B943

analogous

#4390C5 #434FC5 #7843C5

triadic

#434FC5 #C5434F #4FC543

tetradic

#434FC5 #C54390 #C5B943 #43C578

square

#434FC5 #C54390 #C5B943 #43C578

split-complementary

#434FC5 #C57843 #90C543

monochromatic

#21286C #303A9B #434FC5 #727BD3 #A1A7E2

Accessibility & contrast

On white

6.64

#434FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#434FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FC5

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FC5	#FFFFFF	#000000	##FFFFFF
##434FC5	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C9

Deuteranopia (green-blind)

#0057C3

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #434fc5;
/* rgb */ color: rgb(67, 79, 197);
/* oklch */ color: oklch(49.0% 0.182 273.2);

Tailwind

colors: {
  custom: {
    50: '#8680d7',
    500: '#434fc5',
    950: '#000000',
  },
}

SCSS

$custom: #434fc5;
$custom-light: #8680d7;
$custom-dark: #000000;

JSON

{
  "hex": "#434fc5",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 197
  },
  "hsl": {
    "h": 234.462,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.48957,
    "c": 0.18212,
    "h": 273.2
  },
  "luminance": 0.10816
}

Semantic roles & 50–950 ramp

primary

#434FC5

secondary

#CEC995

accent

#CF4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #434FC5

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

Preview Lab → · Contrast checker → · Palette generator →