#5F99EF#5F99EF

#5F99EF is a light, vivid blue. Relative luminance 0.314; OKLCH L 68.2% C 0.142 H 258.1°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#5F99EF
RGB	rgb(95, 153, 239)
HSL	hsl(216, 82%, 65%)
HSV	hsv(216, 60%, 94%)
CMYK	cmyk(60.3%, 36%, 0%, 6.3%)
CIE-LAB	lab(62.88, 6.69, -48.90)
CIE-LCH	lch(62.88, 49.36, 277.78°)
OKLab	oklab(68.17% -0.0292 -0.1386)
OKLCH	oklch(68.17% 0.142 258.1)
XYZ	xyz(31.6850, 31.4445, 86.0443)
Luminance	0.3145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F99EF #EFB55F

analogous

#5FE1EF #5F99EF #6D5FEF

triadic

#5F99EF #EF5F99 #99EF5F

tetradic

#5F99EF #EF5FE1 #EFB55F #5FEF6D

square

#5F99EF #EF5FE1 #EFB55F #5FEF6D

split-complementary

#5F99EF #EF6D5F #E1EF5F

monochromatic

#1359C0 #2776E9 #5F99EF #97BCF5 #CEE0FA

Accessibility & contrast

On white

2.88

#5F99EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#5F99EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5F99EF

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F99EF	#FFFFFF	#000000	##000000
##5F99EF	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A0F3

Deuteranopia (green-blind)

#6192ED

Tritanopia (blue-blind)

#00ACB9

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #5f99ef;
/* rgb */ color: rgb(95, 153, 239);
/* oklch */ color: oklch(68.2% 0.142 258.1);

Tailwind

colors: {
  custom: {
    50: '#98b6f4',
    500: '#5f99ef',
    950: '#000000',
  },
}

SCSS

$custom: #5f99ef;
$custom-light: #98b6f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5f99ef",
  "rgb": {
    "r": 95,
    "g": 153,
    "b": 239
  },
  "hsl": {
    "h": 215.833,
    "s": 81.818,
    "l": 65.49
  },
  "oklch": {
    "l": 0.68174,
    "c": 0.14168,
    "h": 258.1
  },
  "luminance": 0.31447
}

Semantic roles & 50–950 ramp

primary

#5F99EF

secondary

#EDDABD

accent

#8807DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #5F99EF

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

Preview Lab → · Contrast checker → · Palette generator →