#657FEE#657FEE

#657FEE is a light, vivid blue. Relative luminance 0.241; OKLCH L 63.1% C 0.168 H 271.0°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#657FEE
RGB	rgb(101, 127, 238)
HSL	hsl(229, 80%, 66%)
HSV	hsv(229, 58%, 93%)
CMYK	cmyk(57.6%, 46.6%, 0%, 6.7%)
CIE-LAB	lab(56.20, 22.98, -58.96)
CIE-LCH	lch(56.20, 63.28, 291.29°)
OKLab	oklab(63.1% 0.0029 -0.1683)
OKLCH	oklch(63.1% 0.168 271)
XYZ	xyz(28.3837, 24.1163, 84.0315)
Luminance	0.2412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FEE #EED465

analogous

#65C4EE #657FEE #9065EE

triadic

#657FEE #EE657F #7FEE65

tetradic

#657FEE #EE65C4 #EED465 #65EE90

square

#657FEE #EE65C4 #EED465 #65EE90

split-complementary

#657FEE #EE9065 #C4EE65

monochromatic

#1636C3 #2E51E8 #657FEE #9CADF4 #D3DBFA

Accessibility & contrast

On white

3.61

#657FEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#657FEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FEE

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FEE	#FFFFFF	#000000	##000000
##657FEE	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A8DF2

Deuteranopia (green-blind)

#3581EC

Tritanopia (blue-blind)

#0098AB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657fee;
/* rgb */ color: rgb(101, 127, 238);
/* oklch */ color: oklch(63.1% 0.168 271.0);

Tailwind

colors: {
  custom: {
    50: '#9ba3f4',
    500: '#657fee',
    950: '#000000',
  },
}

SCSS

$custom: #657fee;
$custom-light: #9ba3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#657fee",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 238
  },
  "hsl": {
    "h": 228.613,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.63095,
    "c": 0.16832,
    "h": 271
  },
  "luminance": 0.24118
}

Semantic roles & 50–950 ramp

primary

#657FEE

secondary

#EEE5C1

accent

#B409DC

background

#FAFAFF

surface

#F4F3FE

border

#CECDD6

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657FEE

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

Preview Lab → · Contrast checker → · Palette generator →