#657FDE#657FDE

#657FDE is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.1% C 0.146 H 270.2°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#657FDE
RGB	rgb(101, 127, 222)
HSL	hsl(227, 65%, 63%)
HSV	hsv(227, 55%, 87%)
CMYK	cmyk(54.5%, 42.8%, 0%, 12.9%)
CIE-LAB	lab(55.30, 17.83, -51.48)
CIE-LCH	lch(55.30, 54.48, 289.11°)
OKLab	oklab(62.11% 0.0005 -0.1463)
OKLCH	oklch(62.11% 0.146 270.2)
XYZ	xyz(26.1367, 23.2175, 72.1972)
Luminance	0.2322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FDE #DEC465

analogous

#65BCDE #657FDE #8765DE

triadic

#657FDE #DE657F #7FDE65

tetradic

#657FDE #DE65BC #DEC465 #65DE87

square

#657FDE #DE65BC #DEC465 #65DE87

split-complementary

#657FDE #DE8765 #BCDE65

monochromatic

#233FA5 #3355D3 #657FDE #97A9E9 #CAD3F4

Accessibility & contrast

On white

3.72

#657FDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#657FDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FDE

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FDE	#FFFFFF	#000000	##000000
##657FDE	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#568AE2

Deuteranopia (green-blind)

#487FDC

Tritanopia (blue-blind)

#2394A4

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657fde;
/* rgb */ color: rgb(101, 127, 222);
/* oklch */ color: oklch(62.1% 0.146 270.2);

Tailwind

colors: {
  custom: {
    50: '#99a3e9',
    500: '#657fde',
    950: '#000000',
  },
}

SCSS

$custom: #657fde;
$custom-light: #99a3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#657fde",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 222
  },
  "hsl": {
    "h": 227.107,
    "s": 64.706,
    "l": 63.333
  },
  "oklch": {
    "l": 0.62108,
    "c": 0.14632,
    "h": 270.2
  },
  "luminance": 0.23219
}

Semantic roles & 50–950 ramp

primary

#657FDE

secondary

#E5DCBA

accent

#A619CD

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0F0F16

muted

#7E7F84

Preview Lab

Preview with #657FDE

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

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