#5B9EFD#5B9EFD

#5B9EFD is a light, vivid blue. Relative luminance 0.338; OKLCH L 69.8% C 0.156 H 257.4°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#5B9EFD
RGB	rgb(91, 158, 253)
HSL	hsl(215, 98%, 67%)
HSV	hsv(215, 64%, 99%)
CMYK	cmyk(64%, 37.5%, 0%, 0.8%)
CIE-LAB	lab(64.78, 7.68, -53.58)
CIE-LCH	lch(64.78, 54.13, 278.16°)
OKLab	oklab(69.83% -0.0342 -0.1523)
OKLCH	oklch(69.83% 0.156 257.4)
XYZ	xyz(34.2645, 33.7664, 97.6213)
Luminance	0.3377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9EFD #FDBA5B

analogous

#5BEFFD #5B9EFD #695BFD

triadic

#5B9EFD #FD5B9E #9EFD5B

tetradic

#5B9EFD #FD5BEF #FDBA5B #5BFD69

square

#5B9EFD #FD5BEF #FDBA5B #5BFD69

split-complementary

#5B9EFD #FD695B #EFFD5B

monochromatic

#035CDB #1F7AFC #5B9EFD #97C2FE #D4E6FE

Accessibility & contrast

On white

2.71

#5B9EFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#5B9EFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9EFD

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9EFD	#FFFFFF	#000000	##000000
##5B9EFD	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A5FF

Deuteranopia (green-blind)

#5D96FB

Tritanopia (blue-blind)

#00B4C1

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #5b9efd;
/* rgb */ color: rgb(91, 158, 253);
/* oklch */ color: oklch(69.8% 0.156 257.4);

Tailwind

colors: {
  custom: {
    50: '#98bafe',
    500: '#5b9efd',
    950: '#000000',
  },
}

SCSS

$custom: #5b9efd;
$custom-light: #98bafe;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9efd",
  "rgb": {
    "r": 91,
    "g": 158,
    "b": 253
  },
  "hsl": {
    "h": 215.185,
    "s": 97.59,
    "l": 67.451
  },
  "oklch": {
    "l": 0.69831,
    "c": 0.1561,
    "h": 257.4
  },
  "luminance": 0.3377
}

Semantic roles & 50–950 ramp

primary

#5B9EFD

secondary

#F3DEC1

accent

#8700E6

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #5B9EFD

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

Preview Lab → · Contrast checker → · Palette generator →