#4056B2#4056B2

#4056B2 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.7% C 0.148 H 270.0°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#4056B2
RGB	rgb(64, 86, 178)
HSL	hsl(228, 47%, 47%)
HSV	hsv(228, 64%, 70%)
CMYK	cmyk(64%, 51.7%, 0%, 30.2%)
CIE-LAB	lab(39.51, 21.45, -51.61)
CIE-LCH	lch(39.51, 55.89, 292.56°)
OKLab	oklab(48.66% 0 -0.148)
OKLCH	oklch(48.66% 0.148 270)
XYZ	xyz(13.4753, 10.9587, 43.5160)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4056B2 #B29C40

analogous

#408FB2 #4056B2 #6340B2

triadic

#4056B2 #B24056 #56B240

tetradic

#4056B2 #B2408F #B29C40 #40B263

square

#4056B2 #B2408F #B29C40 #40B263

split-complementary

#4056B2 #B26340 #8FB240

monochromatic

#202B58 #304085 #4056B2 #677AC8 #94A1D8

Accessibility & contrast

On white

6.58

#4056B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#4056B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4056B2

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4056B2	#FFFFFF	#000000	##FFFFFF
##4056B2	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2062B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#006B7C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4056b2;
/* rgb */ color: rgb(64, 86, 178);
/* oklch */ color: oklch(48.7% 0.148 270.0);

Tailwind

colors: {
  custom: {
    50: '#8185ca',
    500: '#4056b2',
    950: '#000000',
  },
}

SCSS

$custom: #4056b2;
$custom-light: #8185ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4056b2",
  "rgb": {
    "r": 64,
    "g": 86,
    "b": 178
  },
  "hsl": {
    "h": 228.421,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48655,
    "c": 0.14799,
    "h": 270
  },
  "luminance": 0.1096
}

Semantic roles & 50–950 ramp

primary

#4056B2

secondary

#C4B98A

accent

#BD51D7

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4056B2

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

Preview Lab → · Contrast checker → · Palette generator →