#4580DF#4580DF

#4580DF is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.8% C 0.157 H 259.5°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4580DF
RGB	rgb(69, 128, 223)
HSL	hsl(217, 71%, 57%)
HSV	hsv(217, 69%, 87%)
CMYK	cmyk(69.1%, 42.6%, 0%, 12.5%)
CIE-LAB	lab(54.06, 11.79, -54.11)
CIE-LCH	lch(54.06, 55.38, 282.30°)
OKLab	oklab(60.75% -0.0286 -0.1546)
OKLCH	oklch(60.75% 0.157 259.5)
XYZ	xyz(23.4879, 22.0288, 72.8119)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4580DF #DFA445

analogous

#45CDDF #4580DF #5745DF

triadic

#4580DF #DF4580 #80DF45

tetradic

#4580DF #DF45CD #DFA445 #45DF57

square

#4580DF #DF45CD #DFA445 #45DF57

split-complementary

#4580DF #DF5745 #CDDF45

monochromatic

#194791 #2260C5 #4580DF #79A4E8 #ADC7F1

Accessibility & contrast

On white

3.88

#4580DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#4580DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580DF

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4580DF	#FFFFFF	#000000	##000000
##4580DF	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5289E3

Deuteranopia (green-blind)

#387BDD

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4580df;
/* rgb */ color: rgb(69, 128, 223);
/* oklch */ color: oklch(60.8% 0.157 259.5);

Tailwind

colors: {
  custom: {
    50: '#89a4e9',
    500: '#4580df',
    950: '#000000',
  },
}

SCSS

$custom: #4580df;
$custom-light: #89a4e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4580df",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 223
  },
  "hsl": {
    "h": 217.013,
    "s": 70.642,
    "l": 57.255
  },
  "oklch": {
    "l": 0.60751,
    "c": 0.15723,
    "h": 259.5
  },
  "luminance": 0.22031
}

Semantic roles & 50–950 ramp

primary

#4580DF

secondary

#DFC7A1

accent

#A93AED

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4580DF

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

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