#657FA4#657FA4

#657FA4 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.1% C 0.065 H 257.2°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#657FA4
RGB	rgb(101, 127, 164)
HSL	hsl(215, 26%, 52%)
HSV	hsv(215, 38%, 64%)
CMYK	cmyk(38.4%, 22.6%, 0%, 35.7%)
CIE-LAB	lab(52.54, 0.26, -22.72)
CIE-LCH	lch(52.54, 22.72, 270.65°)
OKLab	oklab(59.07% -0.0143 -0.063)
OKLCH	oklch(59.07% 0.065 257.2)
XYZ	xyz(19.6549, 20.6248, 38.0601)
Luminance	0.2063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FA4 #A48A65

analogous

#659FA4 #657FA4 #6B65A4

triadic

#657FA4 #A4657F #7FA465

tetradic

#657FA4 #A4659F #A48A65 #65A46B

square

#657FA4 #A4659F #A48A65 #65A46B

split-complementary

#657FA4 #A46B65 #9FA465

monochromatic

#35445A #4C6180 #657FA4 #8B9FBB #B2BFD1

Accessibility & contrast

On white

4.10

#657FA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#657FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FA4

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FA4	#FFFFFF	#000000	##000000
##657FA4	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7281A6

Deuteranopia (green-blind)

#6B7BA3

Tritanopia (blue-blind)

#50878B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657fa4;
/* rgb */ color: rgb(101, 127, 164);
/* oklch */ color: oklch(59.1% 0.065 257.2);

Tailwind

colors: {
  custom: {
    50: '#93a4bf',
    500: '#657fa4',
    950: '#000000',
  },
}

SCSS

$custom: #657fa4;
$custom-light: #93a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#657fa4",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 164
  },
  "hsl": {
    "h": 215.238,
    "s": 25.714,
    "l": 51.961
  },
  "oklch": {
    "l": 0.59066,
    "c": 0.06455,
    "h": 257.2
  },
  "luminance": 0.20626
}

Semantic roles & 50–950 ramp

primary

#657FA4

secondary

#C0B5A5

accent

#9C66C2

background

#F9FAFB

surface

#F1F3F7

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657FA4

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

Preview Lab → · Contrast checker → · Palette generator →