#657BEC#657BEC

#657BEC is a light, vivid blue. Relative luminance 0.230; OKLCH L 62.2% C 0.171 H 272.3°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#657BEC
RGB	rgb(101, 123, 236)
HSL	hsl(230, 78%, 66%)
HSV	hsv(230, 57%, 93%)
CMYK	cmyk(57.2%, 47.9%, 0%, 7.5%)
CIE-LAB	lab(55.06, 24.75, -59.69)
CIE-LCH	lch(55.06, 64.62, 292.53°)
OKLab	oklab(62.19% 0.0067 -0.1705)
OKLCH	oklch(62.19% 0.171 272.3)
XYZ	xyz(27.5851, 22.9867, 82.3238)
Luminance	0.2299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BEC #ECD665

analogous

#65BEEC #657BEC #9265EC

triadic

#657BEC #EC657B #7BEC65

tetradic

#657BEC #EC65BE #ECD665 #65EC92

square

#657BEC #EC65BE #ECD665 #65EC92

split-complementary

#657BEC #EC9265 #BEEC65

monochromatic

#1833BF #2F4CE5 #657BEC #9BAAF3 #D2D8F9

Accessibility & contrast

On white

3.75

#657BEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#657BEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BEC

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BEC	#FFFFFF	#000000	##000000
##657BEC	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438AF0

Deuteranopia (green-blind)

#2E7EEA

Tritanopia (blue-blind)

#0094A8

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657bec;
/* rgb */ color: rgb(101, 123, 236);
/* oklch */ color: oklch(62.2% 0.171 272.3);

Tailwind

colors: {
  custom: {
    50: '#9ba0f3',
    500: '#657bec',
    950: '#000000',
  },
}

SCSS

$custom: #657bec;
$custom-light: #9ba0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#657bec",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 236
  },
  "hsl": {
    "h": 230.222,
    "s": 78.035,
    "l": 66.078
  },
  "oklch": {
    "l": 0.62187,
    "c": 0.1706,
    "h": 272.3
  },
  "luminance": 0.22989
}

Semantic roles & 50–950 ramp

primary

#657BEC

secondary

#EDE5C0

accent

#B90BDA

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657BEC

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

Preview Lab → · Contrast checker → · Palette generator →