#4590D1#4590D1

#4590D1 is a light, vivid cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.123 H 247.4°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#4590D1
RGB	rgb(69, 144, 209)
HSL	hsl(208, 60%, 55%)
HSV	hsv(208, 67%, 82%)
CMYK	cmyk(67%, 31.1%, 0%, 18%)
CIE-LAB	lab(57.86, -2.63, -40.22)
CIE-LCH	lch(57.86, 40.30, 266.26°)
OKLab	oklab(63.48% -0.0474 -0.1137)
OKLCH	oklch(63.48% 0.123 247.4)
XYZ	xyz(23.9318, 25.8127, 64.0303)
Luminance	0.2581 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4590D1 #D18645

analogous

#45D1CC #4590D1 #454AD1

triadic

#4590D1 #D14590 #90D145

tetradic

#4590D1 #CC45D1 #D18645 #4AD145

square

#4590D1 #CC45D1 #D18645 #4AD145

split-complementary

#4590D1 #D1454A #D1CC45

monochromatic

#1F517D #2B71AE #4590D1 #76ADDD #A7CBE9

Accessibility & contrast

On white

3.41

#4590D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#4590D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4590D1

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4590D1	#FFFFFF	#000000	##000000
##4590D1	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7392D4

Deuteranopia (green-blind)

#6085D0

Tritanopia (blue-blind)

#009FA7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4590d1;
/* rgb */ color: rgb(69, 144, 209);
/* oklch */ color: oklch(63.5% 0.123 247.4);

Tailwind

colors: {
  custom: {
    50: '#87b0df',
    500: '#4590d1',
    950: '#000000',
  },
}

SCSS

$custom: #4590d1;
$custom-light: #87b0df;
$custom-dark: #000000;

JSON

{
  "hex": "#4590d1",
  "rgb": {
    "r": 69,
    "g": 144,
    "b": 209
  },
  "hsl": {
    "h": 207.857,
    "s": 60.345,
    "l": 54.51
  },
  "oklch": {
    "l": 0.6348,
    "c": 0.12323,
    "h": 247.4
  },
  "luminance": 0.25815
}

Semantic roles & 50–950 ramp

primary

#4590D1

secondary

#D7B79B

accent

#8E44E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4590D1

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

Preview Lab → · Contrast checker → · Palette generator →