#657AC7#657AC7

#657AC7 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.7% C 0.120 H 270.9°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#657AC7
RGB	rgb(101, 122, 199)
HSL	hsl(227, 47%, 59%)
HSV	hsv(227, 49%, 78%)
CMYK	cmyk(49.2%, 38.7%, 0%, 22%)
CIE-LAB	lab(52.74, 13.62, -42.53)
CIE-LCH	lch(52.74, 44.66, 287.76°)
OKLab	oklab(59.75% 0.0018 -0.1202)
OKLCH	oklch(59.75% 0.12 270.9)
XYZ	xyz(22.6319, 20.8079, 56.8455)
Luminance	0.2081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AC7 #C7B265

analogous

#65ABC7 #657AC7 #8165C7

triadic

#657AC7 #C7657A #7AC765

tetradic

#657AC7 #C765AB #C7B265 #65C781

square

#657AC7 #C765AB #C7B265 #65C781

split-complementary

#657AC7 #C78165 #ABC765

monochromatic

#2F4182 #4058AF #657AC7 #92A1D7 #BFC8E8

Accessibility & contrast

On white

4.07

#657AC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#657AC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AC7

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AC7	#FFFFFF	#000000	##000000
##657AC7	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C82CA

Deuteranopia (green-blind)

#527AC5

Tritanopia (blue-blind)

#3D8A97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657ac7;
/* rgb */ color: rgb(101, 122, 199);
/* oklch */ color: oklch(59.7% 0.120 270.9);

Tailwind

colors: {
  custom: {
    50: '#96a0d8',
    500: '#657ac7',
    950: '#000000',
  },
}

SCSS

$custom: #657ac7;
$custom-light: #96a0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#657ac7",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 199
  },
  "hsl": {
    "h": 227.143,
    "s": 46.667,
    "l": 58.824
  },
  "oklch": {
    "l": 0.59747,
    "c": 0.12018,
    "h": 270.9
  },
  "luminance": 0.20809
}

Semantic roles & 50–950 ramp

primary

#657AC7

secondary

#D7CFB1

accent

#BA51D6

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #657AC7

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

Preview Lab → · Contrast checker → · Palette generator →