#657FDC#657FDC

#657FDC is a mid, vivid blue. Relative luminance 0.231; OKLCH L 62.0% C 0.144 H 270.0°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#657FDC
RGB	rgb(101, 127, 220)
HSL	hsl(227, 63%, 63%)
HSV	hsv(227, 54%, 86%)
CMYK	cmyk(54.1%, 42.3%, 0%, 13.7%)
CIE-LAB	lab(55.19, 17.20, -50.53)
CIE-LCH	lch(55.19, 53.37, 288.79°)
OKLab	oklab(61.99% 0.0001 -0.1435)
OKLCH	oklch(61.99% 0.144 270)
XYZ	xyz(25.8702, 23.1109, 70.7939)
Luminance	0.2311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FDC #DCC265

analogous

#65BADC #657FDC #8665DC

triadic

#657FDC #DC657F #7FDC65

tetradic

#657FDC #DC65BA #DCC265 #65DC86

square

#657FDC #DC65BA #DCC265 #65DC86

split-complementary

#657FDC #DC8665 #BADC65

monochromatic

#2540A2 #3356D1 #657FDC #97A8E7 #C9D2F3

Accessibility & contrast

On white

3.73

#657FDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#657FDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FDC

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FDC	#FFFFFF	#000000	##000000
##657FDC	1.00	3.73	5.62	5.62
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#588AE0

Deuteranopia (green-blind)

#497FDA

Tritanopia (blue-blind)

#2693A3

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657fdc;
/* rgb */ color: rgb(101, 127, 220);
/* oklch */ color: oklch(62.0% 0.144 270.0);

Tailwind

colors: {
  custom: {
    50: '#99a3e7',
    500: '#657fdc',
    950: '#000000',
  },
}

SCSS

$custom: #657fdc;
$custom-light: #99a3e7;
$custom-dark: #000000;

JSON

{
  "hex": "#657fdc",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 220
  },
  "hsl": {
    "h": 226.891,
    "s": 62.963,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61989,
    "c": 0.14354,
    "h": 270
  },
  "luminance": 0.23113
}

Semantic roles & 50–950 ramp

primary

#657FDC

secondary

#E4DAB9

accent

#A41BCB

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #657FDC

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

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