#657FE1#657FE1

#657FE1 is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.3% C 0.150 H 270.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#657FE1
RGB	rgb(101, 127, 225)
HSL	hsl(227, 67%, 64%)
HSV	hsv(227, 55%, 88%)
CMYK	cmyk(55.1%, 43.6%, 0%, 11.8%)
CIE-LAB	lab(55.46, 18.79, -52.90)
CIE-LCH	lch(55.46, 56.14, 289.56°)
OKLab	oklab(62.29% 0.001 -0.1505)
OKLCH	oklch(62.29% 0.15 270.4)
XYZ	xyz(26.5423, 23.3797, 74.3336)
Luminance	0.2338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FE1 #E1C765

analogous

#65BDE1 #657FE1 #8965E1

triadic

#657FE1 #E1657F #7FE165

tetradic

#657FE1 #E165BD #E1C765 #65E189

square

#657FE1 #E165BD #E1C765 #65E189

split-complementary

#657FE1 #E18965 #BDE165

monochromatic

#213EAA #3254D7 #657FE1 #98AAEB #CBD4F5

Accessibility & contrast

On white

3.70

#657FE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#657FE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FE1

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FE1	#FFFFFF	#000000	##000000
##657FE1	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#548BE5

Deuteranopia (green-blind)

#4580DF

Tritanopia (blue-blind)

#1D95A5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657fe1;
/* rgb */ color: rgb(101, 127, 225);
/* oklch */ color: oklch(62.3% 0.150 270.4);

Tailwind

colors: {
  custom: {
    50: '#99a3eb',
    500: '#657fe1',
    950: '#000000',
  },
}

SCSS

$custom: #657fe1;
$custom-light: #99a3eb;
$custom-dark: #000000;

JSON

{
  "hex": "#657fe1",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 225
  },
  "hsl": {
    "h": 227.419,
    "s": 67.391,
    "l": 63.922
  },
  "oklch": {
    "l": 0.62288,
    "c": 0.15048,
    "h": 270.4
  },
  "luminance": 0.23382
}

Semantic roles & 50–950 ramp

primary

#657FE1

secondary

#E7DEBB

accent

#A816CF

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0F0F16

muted

#7E7F84

Preview Lab

Preview with #657FE1

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

Preview Lab → · Contrast checker → · Palette generator →