#4056B7#4056B7

#4056B7 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.155 H 270.1°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#4056B7
RGB	rgb(64, 86, 183)
HSL	hsl(229, 48%, 48%)
HSV	hsv(229, 65%, 72%)
CMYK	cmyk(65%, 53%, 0%, 28.2%)
CIE-LAB	lab(39.85, 23.22, -54.00)
CIE-LCH	lch(39.85, 58.78, 293.27°)
OKLab	oklab(49.02% 0.0004 -0.155)
OKLCH	oklch(49.02% 0.155 270.1)
XYZ	xyz(13.9865, 11.1632, 46.2082)
Luminance	0.1116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4056B7 #B7A140

analogous

#4091B7 #4056B7 #6640B7

triadic

#4056B7 #B74056 #56B740

tetradic

#4056B7 #B74091 #B7A140 #40B766

square

#4056B7 #B74091 #B7A140 #40B766

split-complementary

#4056B7 #B76640 #91B740

monochromatic

#202B5C #30418A #4056B7 #697BCB #97A3DB

Accessibility & contrast

On white

6.50

#4056B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#4056B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4056B7

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4056B7	#FFFFFF	#000000	##FFFFFF
##4056B7	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1763BA

Deuteranopia (green-blind)

#0059B5

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4056b7;
/* rgb */ color: rgb(64, 86, 183);
/* oklch */ color: oklch(49.0% 0.155 270.1);

Tailwind

colors: {
  custom: {
    50: '#8185cd',
    500: '#4056b7',
    950: '#000000',
  },
}

SCSS

$custom: #4056b7;
$custom-light: #8185cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4056b7",
  "rgb": {
    "r": 64,
    "g": 86,
    "b": 183
  },
  "hsl": {
    "h": 228.908,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49023,
    "c": 0.15501,
    "h": 270.1
  },
  "luminance": 0.11164
}

Semantic roles & 50–950 ramp

primary

#4056B7

secondary

#C6BC8D

accent

#BF50D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4056B7

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

Preview Lab → · Contrast checker → · Palette generator →