#657CD4#657CD4

#657CD4 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.9% C 0.136 H 270.9°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#657CD4
RGB	rgb(101, 124, 212)
HSL	hsl(228, 56%, 61%)
HSV	hsv(228, 52%, 83%)
CMYK	cmyk(52.4%, 41.5%, 0%, 16.9%)
CIE-LAB	lab(53.96, 16.47, -47.98)
CIE-LCH	lch(53.96, 50.73, 288.95°)
OKLab	oklab(60.91% 0.0021 -0.1361)
OKLCH	oklch(60.91% 0.136 270.9)
XYZ	xyz(24.4543, 21.9338, 65.2196)
Luminance	0.2193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CD4 #D4BD65

analogous

#65B4D4 #657CD4 #8665D4

triadic

#657CD4 #D4657C #7CD465

tetradic

#657CD4 #D465B4 #D4BD65 #65D486

square

#657CD4 #D465B4 #D4BD65 #65D486

split-complementary

#657CD4 #D48665 #B4D465

monochromatic

#2A4095 #3754C5 #657CD4 #95A5E1 #C5CDEF

Accessibility & contrast

On white

3.90

#657CD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#657CD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CD4

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CD4	#FFFFFF	#000000	##000000
##657CD4	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5886D7

Deuteranopia (green-blind)

#4B7CD2

Tritanopia (blue-blind)

#318F9E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657cd4;
/* rgb */ color: rgb(101, 124, 212);
/* oklch */ color: oklch(60.9% 0.136 270.9);

Tailwind

colors: {
  custom: {
    50: '#98a1e2',
    500: '#657cd4',
    950: '#000000',
  },
}

SCSS

$custom: #657cd4;
$custom-light: #98a1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#657cd4",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 212
  },
  "hsl": {
    "h": 227.568,
    "s": 56.345,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60905,
    "c": 0.13611,
    "h": 270.9
  },
  "luminance": 0.21935
}

Semantic roles & 50–950 ramp

primary

#657CD4

secondary

#DFD7B6

accent

#A222C4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657CD4

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

Preview Lab → · Contrast checker → · Palette generator →