#4355B9#4355B9

#4355B9 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.1% C 0.158 H 271.7°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#4355B9
RGB	rgb(67, 85, 185)
HSL	hsl(231, 47%, 49%)
HSV	hsv(231, 64%, 73%)
CMYK	cmyk(63.8%, 54.1%, 0%, 27.5%)
CIE-LAB	lab(39.90, 25.08, -55.08)
CIE-LCH	lch(39.90, 60.53, 294.48°)
OKLab	oklab(49.15% 0.0046 -0.1582)
OKLCH	oklch(49.15% 0.158 271.7)
XYZ	xyz(14.3173, 11.1918, 47.2953)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4355B9 #B9A743

analogous

#4390B9 #4355B9 #6C43B9

triadic

#4355B9 #B94355 #55B943

tetradic

#4355B9 #B94390 #B9A743 #43B96C

square

#4355B9 #B94390 #B9A743 #43B96C

split-complementary

#4355B9 #B96C43 #90B943

monochromatic

#222C5F #33408C #4355B9 #6F7DCB #9BA5DB

Accessibility & contrast

On white

6.48

#4355B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4355B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4355B9

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4355B9	#FFFFFF	#000000	##FFFFFF
##4355B9	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F63BC

Deuteranopia (green-blind)

#0059B7

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4355b9;
/* rgb */ color: rgb(67, 85, 185);
/* oklch */ color: oklch(49.1% 0.158 271.7);

Tailwind

colors: {
  custom: {
    50: '#8384cf',
    500: '#4355b9',
    950: '#000000',
  },
}

SCSS

$custom: #4355b9;
$custom-light: #8384cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4355b9",
  "rgb": {
    "r": 67,
    "g": 85,
    "b": 185
  },
  "hsl": {
    "h": 230.847,
    "s": 46.825,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49149,
    "c": 0.15822,
    "h": 271.7
  },
  "luminance": 0.11193
}

Semantic roles & 50–950 ramp

primary

#4355B9

secondary

#C7BF91

accent

#C251D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4355B9

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

Preview Lab → · Contrast checker → · Palette generator →