#4580DD#4580DD

#4580DD is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.6% C 0.155 H 259.2°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4580DD
RGB	rgb(69, 128, 221)
HSL	hsl(217, 69%, 57%)
HSV	hsv(217, 69%, 87%)
CMYK	cmyk(68.8%, 42.1%, 0%, 13.3%)
CIE-LAB	lab(53.94, 11.09, -53.16)
CIE-LCH	lch(53.94, 54.31, 281.78°)
OKLab	oklab(60.63% -0.029 -0.1518)
OKLCH	oklch(60.63% 0.155 259.2)
XYZ	xyz(23.2199, 21.9216, 71.4002)
Luminance	0.2192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4580DD #DDA245

analogous

#45CCDD #4580DD #5645DD

triadic

#4580DD #DD4580 #80DD45

tetradic

#4580DD #DD45CC #DDA245 #45DD56

square

#4580DD #DD45CC #DDA245 #45DD56

split-complementary

#4580DD #DD5645 #CCDD45

monochromatic

#1A478E #2361C1 #4580DD #79A3E6 #ACC7F0

Accessibility & contrast

On white

3.90

#4580DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#4580DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580DD

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4580DD	#FFFFFF	#000000	##000000
##4580DD	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5489E1

Deuteranopia (green-blind)

#3A7ADB

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4580dd;
/* rgb */ color: rgb(69, 128, 221);
/* oklch */ color: oklch(60.6% 0.155 259.2);

Tailwind

colors: {
  custom: {
    50: '#89a4e8',
    500: '#4580dd',
    950: '#000000',
  },
}

SCSS

$custom: #4580dd;
$custom-light: #89a4e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4580dd",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 221
  },
  "hsl": {
    "h": 216.711,
    "s": 69.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.60626,
    "c": 0.15459,
    "h": 259.2
  },
  "luminance": 0.21924
}

Semantic roles & 50–950 ramp

primary

#4580DD

secondary

#DEC6A0

accent

#A83CEC

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4580DD

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

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