#434FCF#434FCF

#434FCF is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.8% C 0.195 H 272.9°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#434FCF
RGB	rgb(67, 79, 207)
HSL	hsl(235, 59%, 54%)
HSV	hsv(235, 68%, 81%)
CMYK	cmyk(67.6%, 61.8%, 0%, 18.8%)
CIE-LAB	lab(40.06, 36.54, -67.61)
CIE-LCH	lch(40.06, 76.85, 298.39°)
OKLab	oklab(49.79% 0.0099 -0.195)
OKLCH	oklch(49.79% 0.195 272.9)
XYZ	xyz(16.3694, 11.2887, 60.3357)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FCF #CFC343

analogous

#4395CF #434FCF #7D43CF

triadic

#434FCF #CF434F #4FCF43

tetradic

#434FCF #CF4395 #CFC343 #43CF7D

square

#434FCF #CF4395 #CFC343 #43CF7D

split-complementary

#434FCF #CF7D43 #95CF43

monochromatic

#1F2779 #2B36AA #434FCF #747DDB #A5AAE8

Accessibility & contrast

On white

6.45

#434FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#434FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FCF

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FCF	#FFFFFF	#000000	##FFFFFF
##434FCF	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D3

Deuteranopia (green-blind)

#0058CD

Tritanopia (blue-blind)

#006F87

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #434fcf;
/* rgb */ color: rgb(67, 79, 207);
/* oklch */ color: oklch(49.8% 0.195 272.9);

Tailwind

colors: {
  custom: {
    50: '#8880df',
    500: '#434fcf',
    950: '#000000',
  },
}

SCSS

$custom: #434fcf;
$custom-light: #8880df;
$custom-dark: #000000;

JSON

{
  "hex": "#434fcf",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 207
  },
  "hsl": {
    "h": 234.857,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.49792,
    "c": 0.19529,
    "h": 272.9
  },
  "luminance": 0.1129
}

Semantic roles & 50–950 ramp

primary

#434FCF

secondary

#D5D099

accent

#D545E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #434FCF

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

Preview Lab → · Contrast checker → · Palette generator →