#434CCB#434CCB

#434CCB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.9% C 0.194 H 273.7°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#434CCB
RGB	rgb(67, 76, 203)
HSL	hsl(236, 57%, 53%)
HSV	hsv(236, 67%, 80%)
CMYK	cmyk(67%, 62.6%, 0%, 20.4%)
CIE-LAB	lab(39.02, 37.03, -67.00)
CIE-LCH	lch(39.02, 76.55, 298.93°)
OKLab	oklab(48.93% 0.0124 -0.1933)
OKLCH	oklch(48.93% 0.194 273.7)
XYZ	xyz(15.6751, 10.6725, 57.7223)
Luminance	0.1067 (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

#434CCB #CBC243

analogous

#4390CB #434CCB #7E43CB

triadic

#434CCB #CB434C #4CCB43

tetradic

#434CCB #CB4390 #CBC243 #43CB7E

square

#434CCB #CB4390 #CBC243 #43CB7E

split-complementary

#434CCB #CB7E43 #90CB43

monochromatic

#202674 #2D35A4 #434CCB #737AD8 #A3A7E6

Accessibility & contrast

On white

6.70

#434CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#434CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434CCB

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434CCB	#FFFFFF	#000000	##FFFFFF
##434CCB	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CF

Deuteranopia (green-blind)

#0056C9

Tritanopia (blue-blind)

#006C84

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #434ccb;
/* rgb */ color: rgb(67, 76, 203);
/* oklch */ color: oklch(48.9% 0.194 273.7);

Tailwind

colors: {
  custom: {
    50: '#877edc',
    500: '#434ccb',
    950: '#000000',
  },
}

SCSS

$custom: #434ccb;
$custom-light: #877edc;
$custom-dark: #000000;

JSON

{
  "hex": "#434ccb",
  "rgb": {
    "r": 67,
    "g": 76,
    "b": 203
  },
  "hsl": {
    "h": 236.029,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48927,
    "c": 0.19365,
    "h": 273.7
  },
  "luminance": 0.10674
}

Semantic roles & 50–950 ramp

primary

#434CCB

secondary

#D2CE98

accent

#D648E0

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #434CCB

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

Preview Lab → · Contrast checker → · Palette generator →