#5F99EE#5F99EE

#5F99EE is a light, vivid blue. Relative luminance 0.314; OKLCH L 68.1% C 0.140 H 257.9°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#5F99EE
RGB	rgb(95, 153, 238)
HSL	hsl(216, 81%, 65%)
HSV	hsv(216, 60%, 93%)
CMYK	cmyk(60.1%, 35.7%, 0%, 6.7%)
CIE-LAB	lab(62.83, 6.36, -48.43)
CIE-LCH	lch(62.83, 48.85, 277.48°)
OKLab	oklab(68.12% -0.0295 -0.1372)
OKLCH	oklch(68.12% 0.14 257.9)
XYZ	xyz(31.5377, 31.3856, 85.2684)
Luminance	0.3139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F99EE #EEB45F

analogous

#5FE1EE #5F99EE #6C5FEE

triadic

#5F99EE #EE5F99 #99EE5F

tetradic

#5F99EE #EE5FE1 #EEB45F #5FEE6C

square

#5F99EE #EE5FE1 #EEB45F #5FEE6C

split-complementary

#5F99EE #EE6C5F #E1EE5F

monochromatic

#1459BE #2876E8 #5F99EE #96BCF4 #CEE0FA

Accessibility & contrast

On white

2.89

#5F99EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#5F99EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5F99EE

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F99EE	#FFFFFF	#000000	##000000
##5F99EE	1.00	2.89	7.28	7.28
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.28	21.00	1.00	1.00
##000000	7.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#759FF1

Deuteranopia (green-blind)

#6292EC

Tritanopia (blue-blind)

#00ACB8

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #5f99ee;
/* rgb */ color: rgb(95, 153, 238);
/* oklch */ color: oklch(68.1% 0.140 257.9);

Tailwind

colors: {
  custom: {
    50: '#98b6f4',
    500: '#5f99ee',
    950: '#000000',
  },
}

SCSS

$custom: #5f99ee;
$custom-light: #98b6f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5f99ee",
  "rgb": {
    "r": 95,
    "g": 153,
    "b": 238
  },
  "hsl": {
    "h": 215.664,
    "s": 80.791,
    "l": 65.294
  },
  "oklch": {
    "l": 0.68119,
    "c": 0.14038,
    "h": 257.9
  },
  "luminance": 0.31388
}

Semantic roles & 50–950 ramp

primary

#5F99EE

secondary

#ECD9BC

accent

#8708DD

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #5F99EE

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

Preview Lab → · Contrast checker → · Palette generator →