#657FA5#657FA5

#657FA5 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.1% C 0.066 H 257.8°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#657FA5
RGB	rgb(101, 127, 165)
HSL	hsl(216, 26%, 52%)
HSV	hsv(216, 39%, 65%)
CMYK	cmyk(38.8%, 23%, 0%, 35.3%)
CIE-LAB	lab(52.58, 0.54, -23.24)
CIE-LCH	lch(52.58, 23.24, 271.33°)
OKLab	oklab(59.11% -0.014 -0.0644)
OKLCH	oklch(59.11% 0.066 257.8)
XYZ	xyz(19.7456, 20.6611, 38.5376)
Luminance	0.2066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FA5 #A58B65

analogous

#659FA5 #657FA5 #6B65A5

triadic

#657FA5 #A5657F #7FA565

tetradic

#657FA5 #A5659F #A58B65 #65A56B

square

#657FA5 #A5659F #A58B65 #65A56B

split-complementary

#657FA5 #A56B65 #9FA565

monochromatic

#35445B #4C6181 #657FA5 #8C9FBC #B2BFD2

Accessibility & contrast

On white

4.09

#657FA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#657FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FA5

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FA5	#FFFFFF	#000000	##000000
##657FA5	1.00	4.09	5.13	5.13
#FFFFFF	4.09	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)

#7181A7

Deuteranopia (green-blind)

#6A7BA4

Tritanopia (blue-blind)

#50878C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657fa5;
/* rgb */ color: rgb(101, 127, 165);
/* oklch */ color: oklch(59.1% 0.066 257.8);

Tailwind

colors: {
  custom: {
    50: '#93a4bf',
    500: '#657fa5',
    950: '#000000',
  },
}

SCSS

$custom: #657fa5;
$custom-light: #93a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#657fa5",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 165
  },
  "hsl": {
    "h": 215.625,
    "s": 26.23,
    "l": 52.157
  },
  "oklch": {
    "l": 0.59111,
    "c": 0.06593,
    "h": 257.8
  },
  "luminance": 0.20662
}

Semantic roles & 50–950 ramp

primary

#657FA5

secondary

#C1B6A5

accent

#9D65C3

background

#F9FAFB

surface

#F1F3F7

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657FA5

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

Preview Lab → · Contrast checker → · Palette generator →