#657EEC#657EEC

#657EEC is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.8% C 0.167 H 271.2°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#657EEC
RGB	rgb(101, 126, 236)
HSL	hsl(229, 78%, 66%)
HSV	hsv(229, 57%, 93%)
CMYK	cmyk(57.2%, 46.6%, 0%, 7.5%)
CIE-LAB	lab(55.83, 22.94, -58.45)
CIE-LCH	lch(55.83, 62.79, 291.43°)
OKLab	oklab(62.77% 0.0036 -0.1668)
OKLCH	oklch(62.77% 0.167 271.2)
XYZ	xyz(27.9630, 23.7424, 82.4498)
Luminance	0.2374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EEC #ECD365

analogous

#65C1EC #657EEC #8F65EC

triadic

#657EEC #EC657E #7EEC65

tetradic

#657EEC #EC65C1 #ECD365 #65EC8F

square

#657EEC #EC65C1 #ECD365 #65EC8F

split-complementary

#657EEC #EC8F65 #C1EC65

monochromatic

#1837BF #2F50E5 #657EEC #9BACF3 #D2D9F9

Accessibility & contrast

On white

3.65

#657EEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#657EEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EEC

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EEC	#FFFFFF	#000000	##000000
##657EEC	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A8CF0

Deuteranopia (green-blind)

#3580EA

Tritanopia (blue-blind)

#0097AA

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #657eec;
/* rgb */ color: rgb(101, 126, 236);
/* oklch */ color: oklch(62.8% 0.167 271.2);

Tailwind

colors: {
  custom: {
    50: '#9ba3f3',
    500: '#657eec',
    950: '#000000',
  },
}

SCSS

$custom: #657eec;
$custom-light: #9ba3f3;
$custom-dark: #000000;

JSON

{
  "hex": "#657eec",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 236
  },
  "hsl": {
    "h": 228.889,
    "s": 78.035,
    "l": 66.078
  },
  "oklch": {
    "l": 0.62772,
    "c": 0.16684,
    "h": 271.2
  },
  "luminance": 0.23745
}

Semantic roles & 50–950 ramp

primary

#657EEC

secondary

#EDE4C0

accent

#B40BDA

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #657EEC

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

Preview Lab → · Contrast checker → · Palette generator →