#434FCB#434FCB

#434FCB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.5% C 0.190 H 273.0°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#434FCB
RGB	rgb(67, 79, 203)
HSL	hsl(235, 57%, 53%)
HSV	hsv(235, 67%, 80%)
CMYK	cmyk(67%, 61.1%, 0%, 20.4%)
CIE-LAB	lab(39.74, 35.16, -65.83)
CIE-LCH	lch(39.74, 74.63, 298.11°)
OKLab	oklab(49.46% 0.01 -0.1898)
OKLCH	oklch(49.46% 0.19 273)
XYZ	xyz(15.8866, 11.0956, 57.7928)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FCB #CBBF43

analogous

#4393CB #434FCB #7B43CB

triadic

#434FCB #CB434F #4FCB43

tetradic

#434FCB #CB4393 #CBBF43 #43CB7B

square

#434FCB #CB4393 #CBBF43 #43CB7B

split-complementary

#434FCB #CB7B43 #93CB43

monochromatic

#202774 #2D38A4 #434FCB #737CD8 #A3A9E6

Accessibility & contrast

On white

6.52

#434FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#434FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FCB

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FCB	#FFFFFF	#000000	##FFFFFF
##434FCB	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CF

Deuteranopia (green-blind)

#0058C9

Tritanopia (blue-blind)

#006E85

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #434fcb;
/* rgb */ color: rgb(67, 79, 203);
/* oklch */ color: oklch(49.5% 0.190 273.0);

Tailwind

colors: {
  custom: {
    50: '#8780dc',
    500: '#434fcb',
    950: '#000000',
  },
}

SCSS

$custom: #434fcb;
$custom-light: #8780dc;
$custom-dark: #000000;

JSON

{
  "hex": "#434fcb",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 203
  },
  "hsl": {
    "h": 234.706,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49455,
    "c": 0.19006,
    "h": 273
  },
  "luminance": 0.11097
}

Semantic roles & 50–950 ramp

primary

#434FCB

secondary

#D2CD98

accent

#D348E0

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #434FCB

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

Preview Lab → · Contrast checker → · Palette generator →