#5590FD#5590FD

#5590FD is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.6% C 0.173 H 261.5°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#5590FD
RGB	rgb(85, 144, 253)
HSL	hsl(219, 98%, 66%)
HSV	hsv(219, 66%, 99%)
CMYK	cmyk(66.4%, 43.1%, 0%, 0.8%)
CIE-LAB	lab(60.75, 14.98, -60.01)
CIE-LCH	lch(60.75, 61.85, 284.01°)
OKLab	oklab(66.65% -0.0256 -0.1714)
OKLCH	oklch(66.65% 0.173 261.5)
XYZ	xyz(31.4429, 28.9665, 96.8435)
Luminance	0.2897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5590FD #FDC255

analogous

#55E4FD #5590FD #6E55FD

triadic

#5590FD #FD5590 #90FD55

tetradic

#5590FD #FD55E4 #FDC255 #55FD6E

square

#5590FD #FD55E4 #FDC255 #55FD6E

split-complementary

#5590FD #FD6E55 #E4FD55

monochromatic

#034CD5 #1969FC #5590FD #91B7FE #CEDFFE

Accessibility & contrast

On white

3.09

#5590FD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#5590FD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5590FD

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5590FD	#FFFFFF	#000000	##000000
##5590FD	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C9BFF

Deuteranopia (green-blind)

#3F8BFB

Tritanopia (blue-blind)

#00A9BA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5590fd;
/* rgb */ color: rgb(85, 144, 253);
/* oklch */ color: oklch(66.6% 0.173 261.5);

Tailwind

colors: {
  custom: {
    50: '#95afff',
    500: '#5590fd',
    950: '#000000',
  },
}

SCSS

$custom: #5590fd;
$custom-light: #95afff;
$custom-dark: #000000;

JSON

{
  "hex": "#5590fd",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 253
  },
  "hsl": {
    "h": 218.929,
    "s": 97.674,
    "l": 66.275
  },
  "oklch": {
    "l": 0.66646,
    "c": 0.17334,
    "h": 261.5
  },
  "luminance": 0.2897
}

Semantic roles & 50–950 ramp

primary

#5590FD

secondary

#F2DFBB

accent

#9500E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1018

muted

#7E7F86

Preview Lab

Preview with #5590FD

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

Preview Lab → · Contrast checker → · Palette generator →