#4557DA#4557DA

#4557DA is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.2% C 0.200 H 271.6°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#4557DA
RGB	rgb(69, 87, 218)
HSL	hsl(233, 67%, 56%)
HSV	hsv(233, 68%, 85%)
CMYK	cmyk(68.3%, 60.1%, 0%, 14.5%)
CIE-LAB	lab(42.98, 35.63, -69.17)
CIE-LCH	lch(42.98, 77.80, 297.25°)
OKLab	oklab(52.25% 0.0056 -0.1995)
OKLCH	oklch(52.25% 0.2 271.6)
XYZ	xyz(18.5131, 13.1418, 67.8770)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557DA #DAC845

analogous

#45A2DA #4557DA #7E45DA

triadic

#4557DA #DA4557 #57DA45

tetradic

#4557DA #DA45A2 #DAC845 #45DA7E

square

#4557DA #DA45A2 #DAC845 #45DA7E

split-complementary

#4557DA #DA7E45 #A2DA45

monochromatic

#1B2989 #2538BC #4557DA #7885E4 #ABB3EE

Accessibility & contrast

On white

5.79

#4557DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#4557DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557DA

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557DA	#FFFFFF	#000000	##FFFFFF
##4557DA	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDE

Deuteranopia (green-blind)

#005FD7

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4557da;
/* rgb */ color: rgb(69, 87, 218);
/* oklch */ color: oklch(52.2% 0.200 271.6);

Tailwind

colors: {
  custom: {
    50: '#8a86e6',
    500: '#4557da',
    950: '#000000',
  },
}

SCSS

$custom: #4557da;
$custom-light: #8a86e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4557da",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 218
  },
  "hsl": {
    "h": 232.752,
    "s": 66.816,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52245,
    "c": 0.19957,
    "h": 271.6
  },
  "luminance": 0.13144
}

Semantic roles & 50–950 ramp

primary

#4557DA

secondary

#DCD59F

accent

#D53EEA

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4557DA

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

Preview Lab → · Contrast checker → · Palette generator →