#5490EF#5490EF

#5490EF is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.8% C 0.155 H 259.2°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#5490EF
RGB	rgb(84, 144, 239)
HSL	hsl(217, 83%, 63%)
HSV	hsv(217, 65%, 94%)
CMYK	cmyk(64.9%, 39.7%, 0%, 6.3%)
CIE-LAB	lab(59.94, 10.05, -53.59)
CIE-LCH	lch(59.94, 54.53, 280.62°)
OKLab	oklab(65.76% -0.029 -0.1526)
OKLCH	oklch(65.76% 0.155 259.2)
XYZ	xyz(29.2038, 28.0605, 85.5218)
Luminance	0.2806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5490EF #EFB354

analogous

#54DEEF #5490EF #6554EF

triadic

#5490EF #EF5490 #90EF54

tetradic

#5490EF #EF54DE #EFB354 #54EF65

square

#5490EF #EF54DE #EFB354 #54EF65

split-complementary

#5490EF #EF6554 #DEEF54

monochromatic

#1152B7 #1C6CEA #5490EF #8CB4F4 #C4D9F9

Accessibility & contrast

On white

3.18

#5490EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#5490EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5490EF

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5490EF	#FFFFFF	#000000	##000000
##5490EF	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6598F3

Deuteranopia (green-blind)

#4E8AED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5490ef;
/* rgb */ color: rgb(84, 144, 239);
/* oklch */ color: oklch(65.8% 0.155 259.2);

Tailwind

colors: {
  custom: {
    50: '#92b0f5',
    500: '#5490ef',
    950: '#000000',
  },
}

SCSS

$custom: #5490ef;
$custom-light: #92b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5490ef",
  "rgb": {
    "r": 84,
    "g": 144,
    "b": 239
  },
  "hsl": {
    "h": 216.774,
    "s": 82.888,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65761,
    "c": 0.15538,
    "h": 259.2
  },
  "luminance": 0.28063
}

Semantic roles & 50–950 ramp

primary

#5490EF

secondary

#EBD6B4

accent

#8B06DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5490EF

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

Preview Lab → · Contrast checker → · Palette generator →