#4580DB#4580DB

#4580DB is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.152 H 258.8°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4580DB
RGB	rgb(69, 128, 219)
HSL	hsl(216, 68%, 56%)
HSV	hsv(216, 68%, 86%)
CMYK	cmyk(68.5%, 41.6%, 0%, 14.1%)
CIE-LAB	lab(53.83, 10.38, -52.22)
CIE-LCH	lch(53.83, 53.24, 281.24°)
OKLab	oklab(60.5% -0.0294 -0.1491)
OKLCH	oklch(60.5% 0.152 258.8)
XYZ	xyz(22.9550, 21.8157, 70.0052)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4580DB #DBA045

analogous

#45CBDB #4580DB #5545DB

triadic

#4580DB #DB4580 #80DB45

tetradic

#4580DB #DB45CB #DBA045 #45DB55

square

#4580DB #DB45CB #DBA045 #45DB55

split-complementary

#4580DB #DB5545 #CBDB45

monochromatic

#1B478B #2561BE #4580DB #78A3E5 #ACC6EF

Accessibility & contrast

On white

3.92

#4580DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#4580DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580DB

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4580DB	#FFFFFF	#000000	##000000
##4580DB	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5588DF

Deuteranopia (green-blind)

#3D7AD9

Tritanopia (blue-blind)

#0095A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4580db;
/* rgb */ color: rgb(69, 128, 219);
/* oklch */ color: oklch(60.5% 0.152 258.8);

Tailwind

colors: {
  custom: {
    50: '#89a4e7',
    500: '#4580db',
    950: '#000000',
  },
}

SCSS

$custom: #4580db;
$custom-light: #89a4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4580db",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 219
  },
  "hsl": {
    "h": 216.4,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.60502,
    "c": 0.15194,
    "h": 258.8
  },
  "luminance": 0.21818
}

Semantic roles & 50–950 ramp

primary

#4580DB

secondary

#DDC49F

accent

#A63DEA

background

#F9FAFE

surface

#F1F3FC

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4580DB

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

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