#657EB6#657EB6

#657EB6 is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.7% C 0.091 H 265.3°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#657EB6
RGB	rgb(101, 126, 182)
HSL	hsl(221, 36%, 55%)
HSV	hsv(221, 45%, 71%)
CMYK	cmyk(44.5%, 30.8%, 0%, 28.6%)
CIE-LAB	lab(53.02, 6.05, -32.36)
CIE-LCH	lch(53.02, 32.92, 280.60°)
OKLab	oklab(59.7% -0.0074 -0.0906)
OKLCH	oklch(59.7% 0.091 265.3)
XYZ	xyz(21.2685, 21.0646, 47.1921)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EB6 #B69D65

analogous

#65A7B6 #657EB6 #7465B6

triadic

#657EB6 #B6657E #7EB665

tetradic

#657EB6 #B665A7 #B69D65 #65B674

square

#657EB6 #B665A7 #B69D65 #65B674

split-complementary

#657EB6 #B67465 #A7B665

monochromatic

#34456D #476096 #657EB6 #8FA1CA #B8C4DD

Accessibility & contrast

On white

4.03

#657EB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#657EB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EB6

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EB6	#FFFFFF	#000000	##000000
##657EB6	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A83B8

Deuteranopia (green-blind)

#617BB5

Tritanopia (blue-blind)

#478A92

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657eb6;
/* rgb */ color: rgb(101, 126, 182);
/* oklch */ color: oklch(59.7% 0.091 265.3);

Tailwind

colors: {
  custom: {
    50: '#94a3cc',
    500: '#657eb6',
    950: '#000000',
  },
}

SCSS

$custom: #657eb6;
$custom-light: #94a3cc;
$custom-dark: #000000;

JSON

{
  "hex": "#657eb6",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 182
  },
  "hsl": {
    "h": 221.481,
    "s": 35.683,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59697,
    "c": 0.0909,
    "h": 265.3
  },
  "luminance": 0.21066
}

Semantic roles & 50–950 ramp

primary

#657EB6

secondary

#CCC2AB

accent

#A95CCC

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #657EB6

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

Preview Lab → · Contrast checker → · Palette generator →