#657FE9#657FE9

#657FE9 is a light, vivid blue. Relative luminance 0.238; OKLCH L 62.8% C 0.161 H 270.8°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#657FE9
RGB	rgb(101, 127, 233)
HSL	hsl(228, 75%, 65%)
HSV	hsv(228, 57%, 91%)
CMYK	cmyk(56.7%, 45.5%, 0%, 8.6%)
CIE-LAB	lab(55.91, 21.37, -56.64)
CIE-LCH	lch(55.91, 60.54, 290.67°)
OKLab	oklab(62.78% 0.0022 -0.1615)
OKLCH	oklch(62.78% 0.161 270.8)
XYZ	xyz(27.6593, 23.8265, 80.2164)
Luminance	0.2383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FE9 #E9CF65

analogous

#65C1E9 #657FE9 #8D65E9

triadic

#657FE9 #E9657F #7FE965

tetradic

#657FE9 #E965C1 #E9CF65 #65E98D

square

#657FE9 #E965C1 #E9CF65 #65E98D

split-complementary

#657FE9 #E98D65 #C1E965

monochromatic

#1A3AB9 #2F52E1 #657FE9 #9BACF1 #D0D8F8

Accessibility & contrast

On white

3.64

#657FE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#657FE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FE9

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FE9	#FFFFFF	#000000	##000000
##657FE9	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E8CED

Deuteranopia (green-blind)

#3C81E7

Tritanopia (blue-blind)

#0597A9

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #657fe9;
/* rgb */ color: rgb(101, 127, 233);
/* oklch */ color: oklch(62.8% 0.161 270.8);

Tailwind

colors: {
  custom: {
    50: '#9aa3f0',
    500: '#657fe9',
    950: '#000000',
  },
}

SCSS

$custom: #657fe9;
$custom-light: #9aa3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#657fe9",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 233
  },
  "hsl": {
    "h": 228.182,
    "s": 75,
    "l": 65.49
  },
  "oklch": {
    "l": 0.6278,
    "c": 0.16149,
    "h": 270.8
  },
  "luminance": 0.23829
}

Semantic roles & 50–950 ramp

primary

#657FE9

secondary

#EBE2BF

accent

#B00ED7

background

#FAFAFE

surface

#F3F3FD

border

#CDCDD5

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657FE9

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

Preview Lab → · Contrast checker → · Palette generator →