#657DB3#657DB3

#657DB3 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.3% C 0.088 H 265.5°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#657DB3
RGB	rgb(101, 125, 179)
HSL	hsl(222, 34%, 55%)
HSV	hsv(222, 44%, 70%)
CMYK	cmyk(43.6%, 30.2%, 0%, 29.8%)
CIE-LAB	lab(52.61, 5.76, -31.28)
CIE-LCH	lch(52.61, 31.80, 280.44°)
OKLab	oklab(59.33% -0.0069 -0.0875)
OKLCH	oklch(59.33% 0.088 265.5)
XYZ	xyz(20.8346, 20.6874, 45.5343)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DB3 #B39B65

analogous

#65A4B3 #657DB3 #7465B3

triadic

#657DB3 #B3657D #7DB365

tetradic

#657DB3 #B365A4 #B39B65 #65B374

square

#657DB3 #B365A4 #B39B65 #65B374

split-complementary

#657DB3 #B37465 #A4B365

monochromatic

#34456A #485F93 #657DB3 #8EA0C7 #B7C2DB

Accessibility & contrast

On white

4.09

#657DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#657DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DB3

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DB3	#FFFFFF	#000000	##000000
##657DB3	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)

#6A81B5

Deuteranopia (green-blind)

#627AB2

Tritanopia (blue-blind)

#498890

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657db3;
/* rgb */ color: rgb(101, 125, 179);
/* oklch */ color: oklch(59.3% 0.088 265.5);

Tailwind

colors: {
  custom: {
    50: '#94a2ca',
    500: '#657db3',
    950: '#000000',
  },
}

SCSS

$custom: #657db3;
$custom-light: #94a2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#657db3",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 179
  },
  "hsl": {
    "h": 221.538,
    "s": 33.913,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5933,
    "c": 0.08776,
    "h": 265.5
  },
  "luminance": 0.20689
}

Semantic roles & 50–950 ramp

primary

#657DB3

secondary

#CAC0A9

accent

#A95ECA

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #657DB3

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

Preview Lab → · Contrast checker → · Palette generator →