#657EA3#657EA3

#657EA3 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 58.8% C 0.064 H 258.0°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#657EA3
RGB	rgb(101, 126, 163)
HSL	hsl(216, 25%, 52%)
HSV	hsv(216, 38%, 64%)
CMYK	cmyk(38%, 22.7%, 0%, 36.1%)
CIE-LAB	lab(52.21, 0.57, -22.64)
CIE-LCH	lch(52.21, 22.65, 271.43°)
OKLab	oklab(58.8% -0.0133 -0.0627)
OKLCH	oklch(58.8% 0.064 258)
XYZ	xyz(19.4365, 20.3318, 37.5435)
Luminance	0.2033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EA3 #A38A65

analogous

#659DA3 #657EA3 #6B65A3

triadic

#657EA3 #A3657E #7EA365

tetradic

#657EA3 #A3659D #A38A65 #65A36B

square

#657EA3 #A3659D #A38A65 #65A36B

split-complementary

#657EA3 #A36B65 #9DA365

monochromatic

#354359 #4C607F #657EA3 #8B9EBA #B2BED1

Accessibility & contrast

On white

4.14

#657EA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#657EA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EA3

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EA3	#FFFFFF	#000000	##000000
##657EA3	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7180A5

Deuteranopia (green-blind)

#6A7AA2

Tritanopia (blue-blind)

#51868B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657ea3;
/* rgb */ color: rgb(101, 126, 163);
/* oklch */ color: oklch(58.8% 0.064 258.0);

Tailwind

colors: {
  custom: {
    50: '#93a3be',
    500: '#657ea3',
    950: '#000000',
  },
}

SCSS

$custom: #657ea3;
$custom-light: #93a3be;
$custom-dark: #000000;

JSON

{
  "hex": "#657ea3",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 163
  },
  "hsl": {
    "h": 215.806,
    "s": 25.203,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58797,
    "c": 0.06412,
    "h": 258
  },
  "luminance": 0.20333
}

Semantic roles & 50–950 ramp

primary

#657EA3

secondary

#C0B5A4

accent

#9D66C2

background

#F9FAFB

surface

#F1F3F6

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657EA3

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

Preview Lab → · Contrast checker → · Palette generator →