#657BB8#657BB8

#657BB8 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.2% C 0.097 H 268.2°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#657BB8
RGB	rgb(101, 123, 184)
HSL	hsl(224, 37%, 56%)
HSV	hsv(224, 45%, 72%)
CMYK	cmyk(45.1%, 33.2%, 0%, 27.8%)
CIE-LAB	lab(52.28, 8.44, -34.67)
CIE-LCH	lch(52.28, 35.68, 283.69°)
OKLab	oklab(59.15% -0.003 -0.0973)
OKLCH	oklch(59.15% 0.097 268.2)
XYZ	xyz(21.0988, 20.3921, 48.1624)
Luminance	0.2039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BB8 #B8A265

analogous

#65A4B8 #657BB8 #7865B8

triadic

#657BB8 #B8657B #7BB865

tetradic

#657BB8 #B865A4 #B8A265 #65B878

square

#657BB8 #B865A4 #B8A265 #65B878

split-complementary

#657BB8 #B87865 #A4B865

monochromatic

#33436F #475D99 #657BB8 #8F9FCB #B9C3DF

Accessibility & contrast

On white

4.13

#657BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#657BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BB8

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BB8	#FFFFFF	#000000	##000000
##657BB8	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6581BB

Deuteranopia (green-blind)

#5D79B7

Tritanopia (blue-blind)

#478891

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657bb8;
/* rgb */ color: rgb(101, 123, 184);
/* oklch */ color: oklch(59.2% 0.097 268.2);

Tailwind

colors: {
  custom: {
    50: '#95a1cd',
    500: '#657bb8',
    950: '#000000',
  },
}

SCSS

$custom: #657bb8;
$custom-light: #95a1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#657bb8",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 184
  },
  "hsl": {
    "h": 224.096,
    "s": 36.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.5915,
    "c": 0.09734,
    "h": 268.2
  },
  "luminance": 0.20393
}

Semantic roles & 50–950 ramp

primary

#657BB8

secondary

#CEC4AB

accent

#AF5BCD

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #657BB8

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

Preview Lab → · Contrast checker → · Palette generator →