#6571EF#6571EF

#6571EF is a mid, vivid blue. Relative luminance 0.208; OKLCH L 60.5% C 0.187 H 275.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#6571EF
RGB	rgb(101, 113, 239)
HSL	hsl(235, 81%, 67%)
HSV	hsv(235, 58%, 94%)
CMYK	cmyk(57.7%, 52.7%, 0%, 6.3%)
CIE-LAB	lab(52.74, 31.78, -65.10)
CIE-LCH	lch(52.74, 72.44, 296.02°)
OKLab	oklab(60.5% 0.017 -0.1865)
OKLCH	oklch(60.5% 0.187 275.2)
XYZ	xyz(26.8469, 20.8070, 84.2460)
Luminance	0.2081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6571EF #EFE365

analogous

#65B6EF #6571EF #9E65EF

triadic

#6571EF #EF6571 #71EF65

tetradic

#6571EF #EF65B6 #EFE365 #65EF9E

square

#6571EF #EF65B6 #EFE365 #65EF9E

split-complementary

#6571EF #EF9E65 #B6EF65

monochromatic

#1424C5 #2E3EE9 #6571EF #9CA4F5 #D4D7FB

Accessibility & contrast

On white

4.07

#6571EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#6571EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6571EF

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6571EF	#FFFFFF	#000000	##000000
##6571EF	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2384F3

Deuteranopia (green-blind)

#0078EC

Tritanopia (blue-blind)

#008EA5

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #6571ef;
/* rgb */ color: rgb(101, 113, 239);
/* oklch */ color: oklch(60.5% 0.187 275.2);

Tailwind

colors: {
  custom: {
    50: '#9c99f5',
    500: '#6571ef',
    950: '#000000',
  },
}

SCSS

$custom: #6571ef;
$custom-light: #9c99f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6571ef",
  "rgb": {
    "r": 101,
    "g": 113,
    "b": 239
  },
  "hsl": {
    "h": 234.783,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.60495,
    "c": 0.18726,
    "h": 275.2
  },
  "luminance": 0.20809
}

Semantic roles & 50–950 ramp

primary

#6571EF

secondary

#EEEAC2

accent

#CB08DE

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6571EF

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

Preview Lab → · Contrast checker → · Palette generator →