#657EA8#657EA8

#657EA8 is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.0% C 0.071 H 260.6°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#657EA8
RGB	rgb(101, 126, 168)
HSL	hsl(218, 28%, 53%)
HSV	hsv(218, 40%, 66%)
CMYK	cmyk(39.9%, 25%, 0%, 34.1%)
CIE-LAB	lab(52.41, 1.98, -25.22)
CIE-LCH	lch(52.41, 25.30, 274.48°)
OKLab	oklab(59.02% -0.0116 -0.0701)
OKLCH	oklch(59.02% 0.071 260.6)
XYZ	xyz(19.8934, 20.5145, 39.9497)
Luminance	0.2052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EA8 #A88F65

analogous

#659FA8 #657EA8 #6D65A8

triadic

#657EA8 #A8657E #7EA865

tetradic

#657EA8 #A8659F #A88F65 #65A86D

square

#657EA8 #A8659F #A88F65 #65A86D

split-complementary

#657EA8 #A86D65 #9FA865

monochromatic

#35445E #4B6185 #657EA8 #8C9FBE #B3C0D4

Accessibility & contrast

On white

4.12

#657EA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#657EA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EA8

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EA8	#FFFFFF	#000000	##000000
##657EA8	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F81AA

Deuteranopia (green-blind)

#687AA7

Tritanopia (blue-blind)

#4F878C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657ea8;
/* rgb */ color: rgb(101, 126, 168);
/* oklch */ color: oklch(59.0% 0.071 260.6);

Tailwind

colors: {
  custom: {
    50: '#93a3c2',
    500: '#657ea8',
    950: '#000000',
  },
}

SCSS

$custom: #657ea8;
$custom-light: #93a3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#657ea8",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 168
  },
  "hsl": {
    "h": 217.612,
    "s": 27.801,
    "l": 52.745
  },
  "oklch": {
    "l": 0.59024,
    "c": 0.07106,
    "h": 260.6
  },
  "luminance": 0.20516
}

Semantic roles & 50–950 ramp

primary

#657EA8

secondary

#C3B8A6

accent

#A064C4

background

#F9FAFB

surface

#F1F3F7

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657EA8

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

Preview Lab → · Contrast checker → · Palette generator →