#657BBB#657BBB

#657BBB is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.3% C 0.102 H 268.8°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#657BBB
RGB	rgb(101, 123, 187)
HSL	hsl(225, 39%, 56%)
HSV	hsv(225, 46%, 73%)
CMYK	cmyk(46%, 34.2%, 0%, 26.7%)
CIE-LAB	lab(52.42, 9.35, -36.17)
CIE-LCH	lch(52.42, 37.36, 284.49°)
OKLab	oklab(59.31% -0.0022 -0.1016)
OKLCH	oklch(59.31% 0.102 268.8)
XYZ	xyz(21.4166, 20.5192, 49.8362)
Luminance	0.2052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BBB #BBA565

analogous

#65A6BB #657BBB #7A65BB

triadic

#657BBB #BB657B #7BBB65

tetradic

#657BBB #BB65A6 #BBA565 #65BB7A

square

#657BBB #BB65A6 #BBA565 #65BB7A

split-complementary

#657BBB #BB7A65 #A6BB65

monochromatic

#334373 #455C9D #657BBB #8F9FCE #BAC4E0

Accessibility & contrast

On white

4.11

#657BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#657BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BBB

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BBB	#FFFFFF	#000000	##000000
##657BBB	1.00	4.11	5.10	5.10
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BE

Deuteranopia (green-blind)

#5B7ABA

Tritanopia (blue-blind)

#458892

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657bbb;
/* rgb */ color: rgb(101, 123, 187);
/* oklch */ color: oklch(59.3% 0.102 268.8);

Tailwind

colors: {
  custom: {
    50: '#95a0cf',
    500: '#657bbb',
    950: '#000000',
  },
}

SCSS

$custom: #657bbb;
$custom-light: #95a0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#657bbb",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 187
  },
  "hsl": {
    "h": 224.651,
    "s": 38.739,
    "l": 56.471
  },
  "oklch": {
    "l": 0.59306,
    "c": 0.10167,
    "h": 268.8
  },
  "luminance": 0.2052
}

Semantic roles & 50–950 ramp

primary

#657BBB

secondary

#D0C7AC

accent

#B159CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #657BBB

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

Preview Lab → · Contrast checker → · Palette generator →