#657EBF#657EBF

#657EBF is a mid, moderate blue. Relative luminance 0.214; OKLCH L 60.2% C 0.104 H 267.3°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#657EBF
RGB	rgb(101, 126, 191)
HSL	hsl(223, 41%, 57%)
HSV	hsv(223, 47%, 75%)
CMYK	cmyk(47.1%, 34%, 0%, 25.1%)
CIE-LAB	lab(53.44, 8.76, -36.86)
CIE-LCH	lch(53.44, 37.89, 283.36°)
OKLab	oklab(60.16% -0.0049 -0.1036)
OKLCH	oklch(60.16% 0.104 267.3)
XYZ	xyz(22.2286, 21.4486, 52.2488)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EBF #BFA665

analogous

#65ABBF #657EBF #7965BF

triadic

#657EBF #BF657E #7EBF65

tetradic

#657EBF #BF65AB #BFA665 #65BF79

square

#657EBF #BF65AB #BFA665 #65BF79

split-complementary

#657EBF #BF7965 #ABBF65

monochromatic

#324578 #445EA3 #657EBF #90A2D1 #BBC6E3

Accessibility & contrast

On white

3.97

#657EBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#657EBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EBF

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EBF	#FFFFFF	#000000	##000000
##657EBF	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6684C2

Deuteranopia (green-blind)

#5D7CBE

Tritanopia (blue-blind)

#428C96

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657ebf;
/* rgb */ color: rgb(101, 126, 191);
/* oklch */ color: oklch(60.2% 0.104 267.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#657ebf",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 191
  },
  "hsl": {
    "h": 223.333,
    "s": 41.284,
    "l": 57.255
  },
  "oklch": {
    "l": 0.60157,
    "c": 0.10377,
    "h": 267.3
  },
  "luminance": 0.2145
}

Semantic roles & 50–950 ramp

primary

#657EBF

secondary

#D2C8AE

accent

#AF57D1

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #657EBF

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

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