#4577DF#4577DF

#4577DF is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.9% C 0.168 H 263.0°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4577DF
RGB	rgb(69, 119, 223)
HSL	hsl(221, 71%, 57%)
HSV	hsv(221, 69%, 87%)
CMYK	cmyk(69.1%, 46.6%, 0%, 12.5%)
CIE-LAB	lab(51.59, 17.34, -58.06)
CIE-LCH	lch(51.59, 60.59, 286.63°)
OKLab	oklab(58.85% -0.0205 -0.1664)
OKLCH	oklch(58.85% 0.168 263)
XYZ	xyz(22.3656, 19.7843, 72.4378)
Luminance	0.1979 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577DF #DFAD45

analogous

#45C4DF #4577DF #6045DF

triadic

#4577DF #DF4577 #77DF45

tetradic

#4577DF #DF45C4 #DFAD45 #45DF60

square

#4577DF #DF45C4 #DFAD45 #45DF60

split-complementary

#4577DF #DF6045 #C4DF45

monochromatic

#194091 #2257C5 #4577DF #799DE8 #ADC3F1

Accessibility & contrast

On white

4.24

#4577DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#4577DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577DF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577DF	#FFFFFF	#000000	##000000
##4577DF	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4182E3

Deuteranopia (green-blind)

#1D74DD

Tritanopia (blue-blind)

#008FA0

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4577df;
/* rgb */ color: rgb(69, 119, 223);
/* oklch */ color: oklch(58.9% 0.168 263.0);

Tailwind

colors: {
  custom: {
    50: '#8a9dea',
    500: '#4577df',
    950: '#000000',
  },
}

SCSS

$custom: #4577df;
$custom-light: #8a9dea;
$custom-dark: #000000;

JSON

{
  "hex": "#4577df",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 223
  },
  "hsl": {
    "h": 220.519,
    "s": 70.642,
    "l": 57.255
  },
  "oklch": {
    "l": 0.58853,
    "c": 0.16762,
    "h": 263
  },
  "luminance": 0.19787
}

Semantic roles & 50–950 ramp

primary

#4577DF

secondary

#DFCBA1

accent

#B33AED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4577DF

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

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