#657BBC#657BBC

#657BBC is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.4% C 0.103 H 268.9°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#657BBC
RGB	rgb(101, 123, 188)
HSL	hsl(225, 39%, 57%)
HSV	hsv(225, 46%, 74%)
CMYK	cmyk(46.3%, 34.6%, 0%, 26.3%)
CIE-LAB	lab(52.47, 9.65, -36.67)
CIE-LCH	lch(52.47, 37.91, 284.74°)
OKLab	oklab(59.36% -0.0019 -0.1031)
OKLCH	oklch(59.36% 0.103 268.9)
XYZ	xyz(21.5240, 20.5622, 50.4019)
Luminance	0.2056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BBC #BCA665

analogous

#65A7BC #657BBC #7B65BC

triadic

#657BBC #BC657B #7BBC65

tetradic

#657BBC #BC65A7 #BCA665 #65BC7B

square

#657BBC #BC65A7 #BCA665 #65BC7B

split-complementary

#657BBC #BC7B65 #A7BC65

monochromatic

#334374 #455C9F #657BBC #90A0CF #BAC4E1

Accessibility & contrast

On white

4.11

#657BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#657BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BBC

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BBC	#FFFFFF	#000000	##000000
##657BBC	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6381BF

Deuteranopia (green-blind)

#5B7ABB

Tritanopia (blue-blind)

#448993

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657bbc;
/* rgb */ color: rgb(101, 123, 188);
/* oklch */ color: oklch(59.4% 0.103 268.9);

Tailwind

colors: {
  custom: {
    50: '#95a0d0',
    500: '#657bbc',
    950: '#000000',
  },
}

SCSS

$custom: #657bbc;
$custom-light: #95a0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#657bbc",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 188
  },
  "hsl": {
    "h": 224.828,
    "s": 39.367,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59359,
    "c": 0.10311,
    "h": 268.9
  },
  "luminance": 0.20563
}

Semantic roles & 50–950 ramp

primary

#657BBC

secondary

#D0C7AD

accent

#B159CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #657BBC

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

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