#5A90EF#5A90EF

#5A90EF is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.0% C 0.153 H 260.9°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#5A90EF
RGB	rgb(90, 144, 239)
HSL	hsl(218, 82%, 65%)
HSV	hsv(218, 62%, 94%)
CMYK	cmyk(62.3%, 39.7%, 0%, 6.3%)
CIE-LAB	lab(60.20, 11.08, -53.17)
CIE-LCH	lch(60.20, 54.31, 281.77°)
OKLab	oklab(66.03% -0.0242 -0.1513)
OKLCH	oklch(66.03% 0.153 260.9)
XYZ	xyz(29.7642, 28.3494, 85.5481)
Luminance	0.2835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A90EF #EFB95A

analogous

#5ADAEF #5A90EF #6F5AEF

triadic

#5A90EF #EF5A90 #90EF5A

tetradic

#5A90EF #EF5ADA #EFB95A #5AEF6F

square

#5A90EF #EF5ADA #EFB95A #5AEF6F

split-complementary

#5A90EF #EF6F5A #DAEF5A

monochromatic

#1250BC #226AEA #5A90EF #92B6F4 #CADBFA

Accessibility & contrast

On white

3.15

#5A90EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#5A90EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A90EF

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A90EF	#FFFFFF	#000000	##000000
##5A90EF	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6699F3

Deuteranopia (green-blind)

#508BED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5a90ef;
/* rgb */ color: rgb(90, 144, 239);
/* oklch */ color: oklch(66.0% 0.153 260.9);

Tailwind

colors: {
  custom: {
    50: '#95b0f5',
    500: '#5a90ef',
    950: '#000000',
  },
}

SCSS

$custom: #5a90ef;
$custom-light: #95b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5a90ef",
  "rgb": {
    "r": 90,
    "g": 144,
    "b": 239
  },
  "hsl": {
    "h": 218.255,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.66033,
    "c": 0.15321,
    "h": 260.9
  },
  "luminance": 0.28352
}

Semantic roles & 50–950 ramp

primary

#5A90EF

secondary

#ECD9B9

accent

#9007DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5A90EF

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

Preview Lab → · Contrast checker → · Palette generator →