#434DCB#434DCB

#434DCB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.1% C 0.192 H 273.4°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#434DCB
RGB	rgb(67, 77, 203)
HSL	hsl(236, 57%, 53%)
HSV	hsv(236, 67%, 80%)
CMYK	cmyk(67%, 62.1%, 0%, 20.4%)
CIE-LAB	lab(39.26, 36.41, -66.61)
CIE-LCH	lch(39.26, 75.91, 298.66°)
OKLab	oklab(49.1% 0.0116 -0.1921)
OKLCH	oklch(49.1% 0.192 273.4)
XYZ	xyz(15.7445, 10.8114, 57.7454)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434DCB #CBC143

analogous

#4391CB #434DCB #7D43CB

triadic

#434DCB #CB434D #4DCB43

tetradic

#434DCB #CB4391 #CBC143 #43CB7D

square

#434DCB #CB4391 #CBC143 #43CB7D

split-complementary

#434DCB #CB7D43 #91CB43

monochromatic

#202674 #2D36A4 #434DCB #737AD8 #A3A8E6

Accessibility & contrast

On white

6.64

#434DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#434DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434DCB

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434DCB	#FFFFFF	#000000	##FFFFFF
##434DCB	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)

#0063CF

Deuteranopia (green-blind)

#0056C9

Tritanopia (blue-blind)

#006D85

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #434dcb;
/* rgb */ color: rgb(67, 77, 203);
/* oklch */ color: oklch(49.1% 0.192 273.4);

Tailwind

colors: {
  custom: {
    50: '#877fdc',
    500: '#434dcb',
    950: '#000000',
  },
}

SCSS

$custom: #434dcb;
$custom-light: #877fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#434dcb",
  "rgb": {
    "r": 67,
    "g": 77,
    "b": 203
  },
  "hsl": {
    "h": 235.588,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49101,
    "c": 0.19246,
    "h": 273.4
  },
  "luminance": 0.10813
}

Semantic roles & 50–950 ramp

primary

#434DCB

secondary

#D2CE98

accent

#D548E0

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #434DCB

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

Preview Lab → · Contrast checker → · Palette generator →