#4557D5#4557D5

#4557D5 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.8% C 0.193 H 271.7°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#4557D5
RGB	rgb(69, 87, 213)
HSL	hsl(233, 63%, 55%)
HSV	hsv(233, 68%, 84%)
CMYK	cmyk(67.6%, 59.2%, 0%, 16.5%)
CIE-LAB	lab(42.59, 33.90, -66.94)
CIE-LCH	lch(42.59, 75.03, 296.86°)
OKLab	oklab(51.84% 0.0057 -0.1929)
OKLCH	oklch(51.84% 0.193 271.7)
XYZ	xyz(17.8686, 12.8840, 64.4831)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557D5 #D5C345

analogous

#459FD5 #4557D5 #7B45D5

triadic

#4557D5 #D54557 #57D545

tetradic

#4557D5 #D5459F #D5C345 #45D57B

square

#4557D5 #D5459F #D5C345 #45D57B

split-complementary

#4557D5 #D57B45 #9FD545

monochromatic

#1D2A82 #293AB4 #4557D5 #7784E0 #A9B1EC

Accessibility & contrast

On white

5.87

#4557D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#4557D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557D5

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557D5	#FFFFFF	#000000	##FFFFFF
##4557D5	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD9

Deuteranopia (green-blind)

#005ED3

Tritanopia (blue-blind)

#00768D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4557d5;
/* rgb */ color: rgb(69, 87, 213);
/* oklch */ color: oklch(51.8% 0.193 271.7);

Tailwind

colors: {
  custom: {
    50: '#8986e3',
    500: '#4557d5',
    950: '#000000',
  },
}

SCSS

$custom: #4557d5;
$custom-light: #8986e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4557d5",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 213
  },
  "hsl": {
    "h": 232.5,
    "s": 63.158,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51836,
    "c": 0.19302,
    "h": 271.7
  },
  "luminance": 0.12886
}

Semantic roles & 50–950 ramp

primary

#4557D5

secondary

#D9D19D

accent

#D242E6

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4557D5

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

Preview Lab → · Contrast checker → · Palette generator →