#4590D3#4590D3

#4590D3 is a light, vivid cyan. Relative luminance 0.259; OKLCH L 63.6% C 0.126 H 248.1°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4590D3
RGB	rgb(69, 144, 211)
HSL	hsl(208, 62%, 55%)
HSV	hsv(208, 67%, 83%)
CMYK	cmyk(67.3%, 31.8%, 0%, 17.3%)
CIE-LAB	lab(57.95, -1.94, -41.19)
CIE-LCH	lch(57.95, 41.24, 267.30°)
OKLab	oklab(63.59% -0.0468 -0.1166)
OKLCH	oklch(63.59% 0.126 248.1)
XYZ	xyz(24.1810, 25.9123, 65.3426)
Luminance	0.2591 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4590D3 #D38845

analogous

#45D3CF #4590D3 #4549D3

triadic

#4590D3 #D34590 #90D345

tetradic

#4590D3 #CF45D3 #D38845 #49D345

square

#4590D3 #CF45D3 #D38845 #49D345

split-complementary

#4590D3 #D34549 #D3CF45

monochromatic

#1E527F #2A71B1 #4590D3 #76AEDF #A8CBEA

Accessibility & contrast

On white

3.40

#4590D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#4590D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4590D3

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4590D3	#FFFFFF	#000000	##000000
##4590D3	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7293D6

Deuteranopia (green-blind)

#5F85D2

Tritanopia (blue-blind)

#00A0A8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4590d3;
/* rgb */ color: rgb(69, 144, 211);
/* oklch */ color: oklch(63.6% 0.126 248.1);

Tailwind

colors: {
  custom: {
    50: '#87b0e1',
    500: '#4590d3',
    950: '#000000',
  },
}

SCSS

$custom: #4590d3;
$custom-light: #87b0e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4590d3",
  "rgb": {
    "r": 69,
    "g": 144,
    "b": 211
  },
  "hsl": {
    "h": 208.31,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63586,
    "c": 0.12563,
    "h": 248.1
  },
  "luminance": 0.25915
}

Semantic roles & 50–950 ramp

primary

#4590D3

secondary

#D8B89C

accent

#8F43E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D1015

muted

#7D7F83

Preview Lab

Preview with #4590D3

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

Preview Lab → · Contrast checker → · Palette generator →