#5B9DFA#5B9DFA

#5B9DFA is a light, vivid blue. Relative luminance 0.332; OKLCH L 69.5% C 0.153 H 257.2°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#5B9DFA
RGB	rgb(91, 157, 250)
HSL	hsl(215, 94%, 67%)
HSV	hsv(215, 64%, 98%)
CMYK	cmyk(63.6%, 37.2%, 0%, 2%)
CIE-LAB	lab(64.35, 7.26, -52.62)
CIE-LCH	lch(64.35, 53.12, 277.86°)
OKLab	oklab(69.45% -0.0339 -0.1495)
OKLCH	oklch(69.45% 0.153 257.2)
XYZ	xyz(33.6205, 33.2370, 95.0675)
Luminance	0.3324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9DFA #FAB85B

analogous

#5BEDFA #5B9DFA #695BFA

triadic

#5B9DFA #FA5B9D #9DFA5B

tetradic

#5B9DFA #FA5BED #FAB85B #5BFA69

square

#5B9DFA #FA5BED #FAB85B #5BFA69

split-complementary

#5B9DFA #FA695B #EDFA5B

monochromatic

#065CD4 #207AF8 #5B9DFA #96C0FC #D2E4FE

Accessibility & contrast

On white

2.75

#5B9DFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#5B9DFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9DFA

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9DFA	#FFFFFF	#000000	##000000
##5B9DFA	1.00	2.75	7.65	7.65
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A4FE

Deuteranopia (green-blind)

#5D95F8

Tritanopia (blue-blind)

#00B2C0

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #5b9dfa;
/* rgb */ color: rgb(91, 157, 250);
/* oklch */ color: oklch(69.5% 0.153 257.2);

Tailwind

colors: {
  custom: {
    50: '#97b9fc',
    500: '#5b9dfa',
    950: '#000000',
  },
}

SCSS

$custom: #5b9dfa;
$custom-light: #97b9fc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9dfa",
  "rgb": {
    "r": 91,
    "g": 157,
    "b": 250
  },
  "hsl": {
    "h": 215.094,
    "s": 94.083,
    "l": 66.863
  },
  "oklch": {
    "l": 0.69451,
    "c": 0.1533,
    "h": 257.2
  },
  "luminance": 0.3324
}

Semantic roles & 50–950 ramp

primary

#5B9DFA

secondary

#F2DDBF

accent

#8600E6

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #5B9DFA

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

Preview Lab → · Contrast checker → · Palette generator →