#657FC8#657FC8

#657FC8 is a mid, moderate blue. Relative luminance 0.221; OKLCH L 60.9% C 0.115 H 268.0°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#657FC8
RGB	rgb(101, 127, 200)
HSL	hsl(224, 47%, 59%)
HSV	hsv(224, 50%, 78%)
CMYK	cmyk(49.5%, 36.5%, 0%, 21.6%)
CIE-LAB	lab(54.15, 10.91, -40.87)
CIE-LCH	lch(54.15, 42.30, 284.95°)
OKLab	oklab(60.85% -0.004 -0.1153)
OKLCH	oklch(60.85% 0.115 268)
XYZ	xyz(23.3781, 22.1141, 57.6689)
Luminance	0.2212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FC8 #C8AE65

analogous

#65B1C8 #657FC8 #7D65C8

triadic

#657FC8 #C8657F #7FC865

tetradic

#657FC8 #C865B1 #C8AE65 #65C87D

square

#657FC8 #C865B1 #C8AE65 #65C87D

split-complementary

#657FC8 #C87D65 #B1C865

monochromatic

#2F4584 #3F5DB1 #657FC8 #92A4D8 #BFCAE8

Accessibility & contrast

On white

3.87

#657FC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#657FC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FC8

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FC8	#FFFFFF	#000000	##000000
##657FC8	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6386CB

Deuteranopia (green-blind)

#597DC6

Tritanopia (blue-blind)

#3B8F9A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657fc8;
/* rgb */ color: rgb(101, 127, 200);
/* oklch */ color: oklch(60.9% 0.115 268.0);

Tailwind

colors: {
  custom: {
    50: '#96a3d9',
    500: '#657fc8',
    950: '#000000',
  },
}

SCSS

$custom: #657fc8;
$custom-light: #96a3d9;
$custom-dark: #000000;

JSON

{
  "hex": "#657fc8",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 200
  },
  "hsl": {
    "h": 224.242,
    "s": 47.368,
    "l": 59.02
  },
  "oklch": {
    "l": 0.60851,
    "c": 0.11538,
    "h": 268
  },
  "luminance": 0.22116
}

Semantic roles & 50–950 ramp

primary

#657FC8

secondary

#D8CEB1

accent

#B451D7

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #657FC8

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

Preview Lab → · Contrast checker → · Palette generator →