#434BCB#434BCB

#434BCB is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.8% C 0.195 H 273.9°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#434BCB
RGB	rgb(67, 75, 203)
HSL	hsl(236, 57%, 53%)
HSV	hsv(236, 67%, 80%)
CMYK	cmyk(67%, 63.1%, 0%, 20.4%)
CIE-LAB	lab(38.79, 37.64, -67.38)
CIE-LCH	lch(38.79, 77.19, 299.19°)
OKLab	oklab(48.75% 0.0131 -0.1944)
OKLCH	oklch(48.75% 0.195 273.9)
XYZ	xyz(15.6067, 10.5358, 57.6995)
Luminance	0.1054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434BCB #CBC343

analogous

#438FCB #434BCB #7F43CB

triadic

#434BCB #CB434B #4BCB43

tetradic

#434BCB #CB438F #CBC343 #43CB7F

square

#434BCB #CB438F #CBC343 #43CB7F

split-complementary

#434BCB #CB7F43 #8FCB43

monochromatic

#202574 #2D34A4 #434BCB #7379D8 #A3A7E6

Accessibility & contrast

On white

6.76

#434BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#434BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434BCB

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434BCB	#FFFFFF	#000000	##FFFFFF
##434BCB	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CF

Deuteranopia (green-blind)

#0055C9

Tritanopia (blue-blind)

#006C84

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #434bcb;
/* rgb */ color: rgb(67, 75, 203);
/* oklch */ color: oklch(48.8% 0.195 273.9);

Tailwind

colors: {
  custom: {
    50: '#877ddc',
    500: '#434bcb',
    950: '#000000',
  },
}

SCSS

$custom: #434bcb;
$custom-light: #877ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#434bcb",
  "rgb": {
    "r": 67,
    "g": 75,
    "b": 203
  },
  "hsl": {
    "h": 236.471,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48753,
    "c": 0.19484,
    "h": 273.9
  },
  "luminance": 0.10537
}

Semantic roles & 50–950 ramp

primary

#434BCB

secondary

#D2CF98

accent

#D748E0

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #434BCB

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

Preview Lab → · Contrast checker → · Palette generator →