#657FA7#657FA7

#657FA7 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.2% C 0.069 H 258.8°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#657FA7
RGB	rgb(101, 127, 167)
HSL	hsl(216, 27%, 53%)
HSV	hsv(216, 40%, 65%)
CMYK	cmyk(39.5%, 24%, 0%, 34.5%)
CIE-LAB	lab(52.66, 1.11, -24.27)
CIE-LCH	lch(52.66, 24.30, 272.61°)
OKLab	oklab(59.2% -0.0133 -0.0674)
OKLCH	oklch(59.2% 0.069 258.8)
XYZ	xyz(19.9291, 20.7344, 39.5038)
Luminance	0.2074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FA7 #A78D65

analogous

#65A0A7 #657FA7 #6C65A7

triadic

#657FA7 #A7657F #7FA765

tetradic

#657FA7 #A765A0 #A78D65 #65A76C

square

#657FA7 #A765A0 #A78D65 #65A76C

split-complementary

#657FA7 #A76C65 #A0A765

monochromatic

#35455D #4B6184 #657FA7 #8C9FBD #B3C0D4

Accessibility & contrast

On white

4.08

#657FA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#657FA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FA7

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FA7	#FFFFFF	#000000	##000000
##657FA7	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7181A9

Deuteranopia (green-blind)

#697BA6

Tritanopia (blue-blind)

#4F888D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657fa7;
/* rgb */ color: rgb(101, 127, 167);
/* oklch */ color: oklch(59.2% 0.069 258.8);

Tailwind

colors: {
  custom: {
    50: '#93a4c1',
    500: '#657fa7',
    950: '#000000',
  },
}

SCSS

$custom: #657fa7;
$custom-light: #93a4c1;
$custom-dark: #000000;

JSON

{
  "hex": "#657fa7",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 167
  },
  "hsl": {
    "h": 216.364,
    "s": 27.273,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59201,
    "c": 0.06867,
    "h": 258.8
  },
  "luminance": 0.20735
}

Semantic roles & 50–950 ramp

primary

#657FA7

secondary

#C2B7A6

accent

#9E64C4

background

#F9FAFB

surface

#F1F3F7

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657FA7

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

Preview Lab → · Contrast checker → · Palette generator →