#657BB7#657BB7

#657BB7 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.1% C 0.096 H 268.1°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#657BB7
RGB	rgb(101, 123, 183)
HSL	hsl(224, 36%, 56%)
HSV	hsv(224, 45%, 72%)
CMYK	cmyk(44.8%, 32.8%, 0%, 28.2%)
CIE-LAB	lab(52.23, 8.14, -34.16)
CIE-LCH	lch(52.23, 35.12, 283.41°)
OKLab	oklab(59.1% -0.0032 -0.0958)
OKLCH	oklch(59.1% 0.096 268.1)
XYZ	xyz(20.9943, 20.3503, 47.6123)
Luminance	0.2035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BB7 #B7A165

analogous

#65A4B7 #657BB7 #7865B7

triadic

#657BB7 #B7657B #7BB765

tetradic

#657BB7 #B765A4 #B7A165 #65B778

square

#657BB7 #B765A4 #B7A165 #65B778

split-complementary

#657BB7 #B77865 #A4B765

monochromatic

#33436E #475D98 #657BB7 #8F9FCA #B8C2DE

Accessibility & contrast

On white

4.14

#657BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#657BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BB7

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BB7	#FFFFFF	#000000	##000000
##657BB7	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)

#6580BA

Deuteranopia (green-blind)

#5D79B6

Tritanopia (blue-blind)

#478791

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657bb7;
/* rgb */ color: rgb(101, 123, 183);
/* oklch */ color: oklch(59.1% 0.096 268.1);

Tailwind

colors: {
  custom: {
    50: '#95a1cd',
    500: '#657bb7',
    950: '#000000',
  },
}

SCSS

$custom: #657bb7;
$custom-light: #95a1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#657bb7",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 183
  },
  "hsl": {
    "h": 223.902,
    "s": 36.283,
    "l": 55.686
  },
  "oklch": {
    "l": 0.59099,
    "c": 0.0959,
    "h": 268.1
  },
  "luminance": 0.20352
}

Semantic roles & 50–950 ramp

primary

#657BB7

secondary

#CDC4AB

accent

#AE5CCC

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #657BB7

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

Preview Lab → · Contrast checker → · Palette generator →