#657BBF#657BBF

#657BBF is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.5% C 0.107 H 269.4°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#657BBF
RGB	rgb(101, 123, 191)
HSL	hsl(225, 41%, 57%)
HSV	hsv(225, 47%, 75%)
CMYK	cmyk(47.1%, 35.6%, 0%, 25.1%)
CIE-LAB	lab(52.61, 10.56, -38.16)
CIE-LCH	lch(52.61, 39.59, 285.47°)
OKLab	oklab(59.52% -0.0012 -0.1074)
OKLCH	oklch(59.52% 0.107 269.4)
XYZ	xyz(21.8508, 20.6929, 52.1229)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BBF #BFA965

analogous

#65A8BF #657BBF #7C65BF

triadic

#657BBF #BF657B #7BBF65

tetradic

#657BBF #BF65A8 #BFA965 #65BF7C

square

#657BBF #BF65A8 #BFA965 #65BF7C

split-complementary

#657BBF #BF7C65 #A8BF65

monochromatic

#324378 #445BA3 #657BBF #90A0D1 #BBC5E3

Accessibility & contrast

On white

4.09

#657BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#657BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BBF

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BBF	#FFFFFF	#000000	##000000
##657BBF	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6282C2

Deuteranopia (green-blind)

#597ABD

Tritanopia (blue-blind)

#428994

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657bbf;
/* rgb */ color: rgb(101, 123, 191);
/* oklch */ color: oklch(59.5% 0.107 269.4);

Tailwind

colors: {
  custom: {
    50: '#95a0d2',
    500: '#657bbf',
    950: '#000000',
  },
}

SCSS

$custom: #657bbf;
$custom-light: #95a0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#657bbf",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 191
  },
  "hsl": {
    "h": 225.333,
    "s": 41.284,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59519,
    "c": 0.10744,
    "h": 269.4
  },
  "luminance": 0.20694
}

Semantic roles & 50–950 ramp

primary

#657BBF

secondary

#D2C9AE

accent

#B357D1

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #657BBF

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

Preview Lab → · Contrast checker → · Palette generator →