#5F91DB#5F91DB

#5F91DB is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.4% C 0.124 H 258.0°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#5F91DB
RGB	rgb(95, 145, 219)
HSL	hsl(216, 63%, 62%)
HSV	hsv(216, 57%, 86%)
CMYK	cmyk(56.6%, 33.8%, 0%, 14.1%)
CIE-LAB	lab(59.70, 4.90, -42.84)
CIE-LCH	lch(59.70, 43.12, 276.52°)
OKLab	oklab(65.38% -0.0256 -0.121)
OKLCH	oklch(65.38% 0.124 258)
XYZ	xyz(27.6264, 27.7959, 70.9134)
Luminance	0.2780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F91DB #DBA95F

analogous

#5FCFDB #5F91DB #6B5FDB

triadic

#5F91DB #DB5F91 #91DB5F

tetradic

#5F91DB #DB5FCF #DBA95F #5FDB6B

square

#5F91DB #DB5FCF #DBA95F #5FDB6B

split-complementary

#5F91DB #DB6B5F #CFDB5F

monochromatic

#23549C #2E6FCE #5F91DB #91B3E6 #C3D6F1

Accessibility & contrast

On white

3.20

#5F91DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#5F91DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F91DB

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F91DB	#FFFFFF	#000000	##000000
##5F91DB	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7396DE

Deuteranopia (green-blind)

#638AD9

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5f91db;
/* rgb */ color: rgb(95, 145, 219);
/* oklch */ color: oklch(65.4% 0.124 258.0);

Tailwind

colors: {
  custom: {
    50: '#95b0e6',
    500: '#5f91db',
    950: '#000000',
  },
}

SCSS

$custom: #5f91db;
$custom-light: #95b0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5f91db",
  "rgb": {
    "r": 95,
    "g": 145,
    "b": 219
  },
  "hsl": {
    "h": 215.806,
    "s": 63.265,
    "l": 61.569
  },
  "oklch": {
    "l": 0.6538,
    "c": 0.1237,
    "h": 258
  },
  "luminance": 0.27798
}

Semantic roles & 50–950 ramp

primary

#5F91DB

secondary

#E2CFB4

accent

#841ACB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5F91DB

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

Preview Lab → · Contrast checker → · Palette generator →