#657FA6#657FA6

#657FA6 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.2% C 0.067 H 258.3°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#657FA6
RGB	rgb(101, 127, 166)
HSL	hsl(216, 27%, 52%)
HSV	hsv(216, 39%, 65%)
CMYK	cmyk(39.2%, 23.5%, 0%, 34.9%)
CIE-LAB	lab(52.62, 0.82, -23.75)
CIE-LCH	lch(52.62, 23.77, 271.98°)
OKLab	oklab(59.16% -0.0136 -0.0659)
OKLCH	oklch(59.16% 0.067 258.3)
XYZ	xyz(19.8370, 20.6976, 39.0188)
Luminance	0.2070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FA6 #A68C65

analogous

#65A0A6 #657FA6 #6C65A6

triadic

#657FA6 #A6657F #7FA665

tetradic

#657FA6 #A665A0 #A68C65 #65A66C

square

#657FA6 #A665A0 #A68C65 #65A66C

split-complementary

#657FA6 #A66C65 #A0A665

monochromatic

#35445C #4B6182 #657FA6 #8C9FBC #B3BFD3

Accessibility & contrast

On white

4.09

#657FA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#657FA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FA6

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FA6	#FFFFFF	#000000	##000000
##657FA6	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7181A8

Deuteranopia (green-blind)

#6A7BA5

Tritanopia (blue-blind)

#4F878C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657fa6;
/* rgb */ color: rgb(101, 127, 166);
/* oklch */ color: oklch(59.2% 0.067 258.3);

Tailwind

colors: {
  custom: {
    50: '#93a4c0',
    500: '#657fa6',
    950: '#000000',
  },
}

SCSS

$custom: #657fa6;
$custom-light: #93a4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#657fa6",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 166
  },
  "hsl": {
    "h": 216,
    "s": 26.749,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59156,
    "c": 0.06729,
    "h": 258.3
  },
  "luminance": 0.20699
}

Semantic roles & 50–950 ramp

primary

#657FA6

secondary

#C2B6A5

accent

#9D65C3

background

#F9FAFB

surface

#F1F3F7

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657FA6

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

Preview Lab → · Contrast checker → · Palette generator →