#4050B3#4050B3

#4050B3 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.157 H 272.1°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#4050B3
RGB	rgb(64, 80, 179)
HSL	hsl(232, 47%, 48%)
HSV	hsv(232, 64%, 70%)
CMYK	cmyk(64.2%, 55.3%, 0%, 29.8%)
CIE-LAB	lab(37.99, 25.68, -54.66)
CIE-LCH	lch(37.99, 60.40, 295.17°)
OKLab	oklab(47.53% 0.0058 -0.157)
OKLCH	oklch(47.53% 0.157 272.1)
XYZ	xyz(13.1170, 10.0808, 43.8936)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050B3 #B3A340

analogous

#408AB3 #4050B3 #6940B3

triadic

#4050B3 #B34050 #50B340

tetradic

#4050B3 #B3408A #B3A340 #40B369

square

#4050B3 #B3408A #B3A340 #40B369

split-complementary

#4050B3 #B36940 #8AB340

monochromatic

#202859 #303C86 #4050B3 #6775C9 #949ED9

Accessibility & contrast

On white

6.96

#4050B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4050B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4050B3

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050B3	#FFFFFF	#000000	##FFFFFF
##4050B3	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4050b3;
/* rgb */ color: rgb(64, 80, 179);
/* oklch */ color: oklch(47.5% 0.157 272.1);

Tailwind

colors: {
  custom: {
    50: '#8180ca',
    500: '#4050b3',
    950: '#000000',
  },
}

SCSS

$custom: #4050b3;
$custom-light: #8180ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4050b3",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 179
  },
  "hsl": {
    "h": 231.652,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.4753,
    "c": 0.15715,
    "h": 272.1
  },
  "luminance": 0.10082
}

Semantic roles & 50–950 ramp

primary

#4050B3

secondary

#C4BC8A

accent

#C451D7

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4050B3

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

Preview Lab → · Contrast checker → · Palette generator →