#657DA3#657DA3

#657DA3 is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.6% C 0.065 H 259.4°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#657DA3
RGB	rgb(101, 125, 163)
HSL	hsl(217, 25%, 52%)
HSV	hsv(217, 38%, 64%)
CMYK	cmyk(38%, 23.3%, 0%, 36.1%)
CIE-LAB	lab(51.92, 1.15, -23.08)
CIE-LCH	lch(51.92, 23.11, 272.86°)
OKLab	oklab(58.57% -0.0119 -0.064)
OKLCH	oklch(58.57% 0.065 259.4)
XYZ	xyz(19.3093, 20.0773, 37.5011)
Luminance	0.2008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DA3 #A38B65

analogous

#659CA3 #657DA3 #6C65A3

triadic

#657DA3 #A3657D #7DA365

tetradic

#657DA3 #A3659C #A38B65 #65A36C

square

#657DA3 #A3659C #A38B65 #65A36C

split-complementary

#657DA3 #A36C65 #9CA365

monochromatic

#354359 #4C607F #657DA3 #8B9DBA #B2BED1

Accessibility & contrast

On white

4.19

#657DA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#657DA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DA3

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DA3	#FFFFFF	#000000	##000000
##657DA3	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707FA5

Deuteranopia (green-blind)

#6979A2

Tritanopia (blue-blind)

#51858A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657da3;
/* rgb */ color: rgb(101, 125, 163);
/* oklch */ color: oklch(58.6% 0.065 259.4);

Tailwind

colors: {
  custom: {
    50: '#93a2be',
    500: '#657da3',
    950: '#000000',
  },
}

SCSS

$custom: #657da3;
$custom-light: #93a2be;
$custom-dark: #000000;

JSON

{
  "hex": "#657da3",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 163
  },
  "hsl": {
    "h": 216.774,
    "s": 25.203,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58573,
    "c": 0.06508,
    "h": 259.4
  },
  "luminance": 0.20078
}

Semantic roles & 50–950 ramp

primary

#657DA3

secondary

#C0B5A4

accent

#9E66C2

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #657DA3

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

Preview Lab → · Contrast checker → · Palette generator →