#4557D9#4557D9

#4557D9 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.2% C 0.198 H 271.6°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#4557D9
RGB	rgb(69, 87, 217)
HSL	hsl(233, 66%, 56%)
HSV	hsv(233, 68%, 85%)
CMYK	cmyk(68.2%, 59.9%, 0%, 14.9%)
CIE-LAB	lab(42.90, 35.28, -68.72)
CIE-LCH	lch(42.90, 77.25, 297.17°)
OKLab	oklab(52.16% 0.0056 -0.1982)
OKLCH	oklch(52.16% 0.198 271.6)
XYZ	xyz(18.3826, 13.0896, 67.1900)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557D9 #D9C745

analogous

#45A1D9 #4557D9 #7D45D9

triadic

#4557D9 #D94557 #57D945

tetradic

#4557D9 #D945A1 #D9C745 #45D97D

square

#4557D9 #D945A1 #D9C745 #45D97D

split-complementary

#4557D9 #D97D45 #A1D945

monochromatic

#1C2988 #2638BB #4557D9 #7885E3 #ABB3EE

Accessibility & contrast

On white

5.80

#4557D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#4557D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557D9

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557D9	#FFFFFF	#000000	##FFFFFF
##4557D9	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDD

Deuteranopia (green-blind)

#005FD6

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4557d9;
/* rgb */ color: rgb(69, 87, 217);
/* oklch */ color: oklch(52.2% 0.198 271.6);

Tailwind

colors: {
  custom: {
    50: '#8a86e6',
    500: '#4557d9',
    950: '#000000',
  },
}

SCSS

$custom: #4557d9;
$custom-light: #8a86e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4557d9",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 217
  },
  "hsl": {
    "h": 232.703,
    "s": 66.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.52163,
    "c": 0.19826,
    "h": 271.6
  },
  "luminance": 0.13091
}

Semantic roles & 50–950 ramp

primary

#4557D9

secondary

#DBD49E

accent

#D43FE9

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4557D9

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

Preview Lab → · Contrast checker → · Palette generator →