#5B90FD#5B90FD

#5B90FD is a light, vivid blue. Relative luminance 0.293; OKLCH L 66.9% C 0.171 H 263.0°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#5B90FD
RGB	rgb(91, 144, 253)
HSL	hsl(220, 98%, 67%)
HSV	hsv(220, 64%, 99%)
CMYK	cmyk(64%, 43.1%, 0%, 0.8%)
CIE-LAB	lab(61.01, 15.94, -59.58)
CIE-LCH	lch(61.01, 61.67, 284.97°)
OKLab	oklab(66.92% -0.0207 -0.1701)
OKLCH	oklch(66.92% 0.171 263)
XYZ	xyz(32.0110, 29.2595, 96.8701)
Luminance	0.2926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B90FD #FDC85B

analogous

#5BE1FD #5B90FD #775BFD

triadic

#5B90FD #FD5B90 #90FD5B

tetradic

#5B90FD #FD5BE1 #FDC85B #5BFD77

square

#5B90FD #FD5BE1 #FDC85B #5BFD77

split-complementary

#5B90FD #FD775B #E1FD5B

monochromatic

#0349DB #1F67FC #5B90FD #97B9FE #D4E2FE

Accessibility & contrast

On white

3.06

#5B90FD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#5B90FD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B90FD

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B90FD	#FFFFFF	#000000	##000000
##5B90FD	1.00	3.06	6.85	6.85
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D9BFF

Deuteranopia (green-blind)

#428CFB

Tritanopia (blue-blind)

#00A9BA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5b90fd;
/* rgb */ color: rgb(91, 144, 253);
/* oklch */ color: oklch(66.9% 0.171 263.0);

Tailwind

colors: {
  custom: {
    50: '#98b0ff',
    500: '#5b90fd',
    950: '#000000',
  },
}

SCSS

$custom: #5b90fd;
$custom-light: #98b0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5b90fd",
  "rgb": {
    "r": 91,
    "g": 144,
    "b": 253
  },
  "hsl": {
    "h": 220.37,
    "s": 97.59,
    "l": 67.451
  },
  "oklch": {
    "l": 0.66916,
    "c": 0.17136,
    "h": 263
  },
  "luminance": 0.29263
}

Semantic roles & 50–950 ramp

primary

#5B90FD

secondary

#F3E3C1

accent

#9A00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #5B90FD

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

Preview Lab → · Contrast checker → · Palette generator →