#4052B2#4052B2

#4052B2 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.8% C 0.153 H 271.4°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#4052B2
RGB	rgb(64, 82, 178)
HSL	hsl(231, 47%, 47%)
HSV	hsv(231, 64%, 70%)
CMYK	cmyk(64%, 53.9%, 0%, 30.2%)
CIE-LAB	lab(38.44, 24.04, -53.34)
CIE-LCH	lch(38.44, 58.50, 294.26°)
OKLab	oklab(47.85% 0.0038 -0.1531)
OKLCH	oklch(47.85% 0.153 271.4)
XYZ	xyz(13.1648, 10.3378, 43.4125)
Luminance	0.1034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4052B2 #B2A040

analogous

#408BB2 #4052B2 #6740B2

triadic

#4052B2 #B24052 #52B240

tetradic

#4052B2 #B2408B #B2A040 #40B267

square

#4052B2 #B2408B #B2A040 #40B267

split-complementary

#4052B2 #B26740 #8BB240

monochromatic

#202958 #303D85 #4052B2 #6776C8 #949FD8

Accessibility & contrast

On white

6.85

#4052B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#4052B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4052B2

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4052B2	#FFFFFF	#000000	##FFFFFF
##4052B2	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1160B5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4052b2;
/* rgb */ color: rgb(64, 82, 178);
/* oklch */ color: oklch(47.8% 0.153 271.4);

Tailwind

colors: {
  custom: {
    50: '#8182ca',
    500: '#4052b2',
    950: '#000000',
  },
}

SCSS

$custom: #4052b2;
$custom-light: #8182ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4052b2",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 178
  },
  "hsl": {
    "h": 230.526,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47848,
    "c": 0.15317,
    "h": 271.4
  },
  "luminance": 0.10339
}

Semantic roles & 50–950 ramp

primary

#4052B2

secondary

#C4BB8A

accent

#C251D7

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4052B2

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

Preview Lab → · Contrast checker → · Palette generator →