#5B8FEC#5B8FEC

#5B8FEC is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.7% C 0.150 H 261.2°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#5B8FEC
RGB	rgb(91, 143, 236)
HSL	hsl(218, 79%, 64%)
HSV	hsv(218, 61%, 93%)
CMYK	cmyk(61.4%, 39.4%, 0%, 7.5%)
CIE-LAB	lab(59.82, 10.85, -52.11)
CIE-LCH	lch(59.82, 53.23, 281.76°)
OKLab	oklab(65.7% -0.023 -0.1482)
OKLCH	oklch(65.7% 0.15 261.2)
XYZ	xyz(29.2719, 27.9225, 83.1876)
Luminance	0.2792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8FEC #ECB85B

analogous

#5BD7EC #5B8FEC #705BEC

triadic

#5B8FEC #EC5B8F #8FEC5B

tetradic

#5B8FEC #EC5BD7 #ECB85B #5BEC70

square

#5B8FEC #EC5BD7 #ECB85B #5BEC70

split-complementary

#5B8FEC #EC705B #D7EC5B

monochromatic

#154FB7 #246AE6 #5B8FEC #92B4F2 #C9DAF9

Accessibility & contrast

On white

3.19

#5B8FEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#5B8FEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8FEC

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8FEC	#FFFFFF	#000000	##000000
##5B8FEC	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6697F0

Deuteranopia (green-blind)

#528AEA

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5b8fec;
/* rgb */ color: rgb(91, 143, 236);
/* oklch */ color: oklch(65.7% 0.150 261.2);

Tailwind

colors: {
  custom: {
    50: '#95aff2',
    500: '#5b8fec',
    950: '#000000',
  },
}

SCSS

$custom: #5b8fec;
$custom-light: #95aff2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8fec",
  "rgb": {
    "r": 91,
    "g": 143,
    "b": 236
  },
  "hsl": {
    "h": 218.483,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65697,
    "c": 0.14997,
    "h": 261.2
  },
  "luminance": 0.27925
}

Semantic roles & 50–950 ramp

primary

#5B8FEC

secondary

#EBD9B8

accent

#900ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8FEC

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

Preview Lab → · Contrast checker → · Palette generator →