#4355B1#4355B1

#4355B1 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.6% C 0.147 H 271.6°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#4355B1
RGB	rgb(67, 85, 177)
HSL	hsl(230, 45%, 48%)
HSV	hsv(230, 62%, 69%)
CMYK	cmyk(62.1%, 52%, 0%, 30.6%)
CIE-LAB	lab(39.35, 22.28, -51.27)
CIE-LCH	lch(39.35, 55.90, 293.48°)
OKLab	oklab(48.56% 0.004 -0.1469)
OKLCH	oklch(48.56% 0.147 271.6)
XYZ	xyz(13.4964, 10.8635, 42.9721)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4355B1 #B19F43

analogous

#438CB1 #4355B1 #6843B1

triadic

#4355B1 #B14355 #55B143

tetradic

#4355B1 #B1438C #B19F43 #43B168

square

#4355B1 #B1438C #B19F43 #43B168

split-complementary

#4355B1 #B16843 #8CB143

monochromatic

#212A58 #324085 #4355B1 #6A7AC7 #97A1D8

Accessibility & contrast

On white

6.62

#4355B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4355B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4355B1

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4355B1	#FFFFFF	#000000	##FFFFFF
##4355B1	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2062B4

Deuteranopia (green-blind)

#0058AF

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4355b1;
/* rgb */ color: rgb(67, 85, 177);
/* oklch */ color: oklch(48.6% 0.147 271.6);

Tailwind

colors: {
  custom: {
    50: '#8284c9',
    500: '#4355b1',
    950: '#000000',
  },
}

SCSS

$custom: #4355b1;
$custom-light: #8284c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4355b1",
  "rgb": {
    "r": 67,
    "g": 85,
    "b": 177
  },
  "hsl": {
    "h": 230.182,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.48558,
    "c": 0.14698,
    "h": 271.6
  },
  "luminance": 0.10865
}

Semantic roles & 50–950 ramp

primary

#4355B1

secondary

#C3BA8C

accent

#C053D5

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4355B1

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

Preview Lab → · Contrast checker → · Palette generator →