#657FBF#657FBF

#657FBF is a mid, moderate blue. Relative luminance 0.217; OKLCH L 60.4% C 0.103 H 266.5°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#657FBF
RGB	rgb(101, 127, 191)
HSL	hsl(223, 41%, 57%)
HSV	hsv(223, 47%, 75%)
CMYK	cmyk(47.1%, 33.5%, 0%, 25.1%)
CIE-LAB	lab(53.71, 8.16, -36.43)
CIE-LCH	lch(53.71, 37.33, 282.62°)
OKLab	oklab(60.37% -0.0062 -0.1024)
OKLCH	oklch(60.37% 0.103 266.5)
XYZ	xyz(22.3571, 21.7057, 52.2916)
Luminance	0.2171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FBF #BFA565

analogous

#65ACBF #657FBF #7865BF

triadic

#657FBF #BF657F #7FBF65

tetradic

#657FBF #BF65AC #BFA565 #65BF78

square

#657FBF #BF65AC #BFA565 #65BF78

split-complementary

#657FBF #BF7865 #ACBF65

monochromatic

#324678 #445FA3 #657FBF #90A3D1 #BBC7E3

Accessibility & contrast

On white

3.93

#657FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#657FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FBF

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FBF	#FFFFFF	#000000	##000000
##657FBF	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6785C2

Deuteranopia (green-blind)

#5E7DBE

Tritanopia (blue-blind)

#428C96

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657fbf;
/* rgb */ color: rgb(101, 127, 191);
/* oklch */ color: oklch(60.4% 0.103 266.5);

Tailwind

colors: {
  custom: {
    50: '#95a3d2',
    500: '#657fbf',
    950: '#000000',
  },
}

SCSS

$custom: #657fbf;
$custom-light: #95a3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#657fbf",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 191
  },
  "hsl": {
    "h": 222.667,
    "s": 41.284,
    "l": 57.255
  },
  "oklch": {
    "l": 0.60372,
    "c": 0.10257,
    "h": 266.5
  },
  "luminance": 0.21707
}

Semantic roles & 50–950 ramp

primary

#657FBF

secondary

#D2C8AE

accent

#AE57D1

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #657FBF

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

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