#657BD4#657BD4

#657BD4 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.7% C 0.137 H 271.3°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#657BD4
RGB	rgb(101, 123, 212)
HSL	hsl(228, 56%, 61%)
HSV	hsv(228, 52%, 83%)
CMYK	cmyk(52.4%, 42%, 0%, 16.9%)
CIE-LAB	lab(53.69, 17.08, -48.40)
CIE-LCH	lch(53.69, 51.32, 289.44°)
OKLab	oklab(60.7% 0.0032 -0.1373)
OKLCH	oklch(60.7% 0.137 271.3)
XYZ	xyz(24.3296, 21.6844, 65.1781)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BD4 #D4BE65

analogous

#65B3D4 #657BD4 #8765D4

triadic

#657BD4 #D4657B #7BD465

tetradic

#657BD4 #D465B3 #D4BE65 #65D487

square

#657BD4 #D465B3 #D4BE65 #65D487

split-complementary

#657BD4 #D48765 #B3D465

monochromatic

#2A3F95 #3753C5 #657BD4 #95A4E1 #C5CDEF

Accessibility & contrast

On white

3.93

#657BD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#657BD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BD4

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BD4	#FFFFFF	#000000	##000000
##657BD4	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)

#5685D7

Deuteranopia (green-blind)

#4A7CD2

Tritanopia (blue-blind)

#318E9D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657bd4;
/* rgb */ color: rgb(101, 123, 212);
/* oklch */ color: oklch(60.7% 0.137 271.3);

Tailwind

colors: {
  custom: {
    50: '#98a0e2',
    500: '#657bd4',
    950: '#000000',
  },
}

SCSS

$custom: #657bd4;
$custom-light: #98a0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#657bd4",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 212
  },
  "hsl": {
    "h": 228.108,
    "s": 56.345,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60701,
    "c": 0.13737,
    "h": 271.3
  },
  "luminance": 0.21686
}

Semantic roles & 50–950 ramp

primary

#657BD4

secondary

#DFD7B6

accent

#A422C4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657BD4

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

Preview Lab → · Contrast checker → · Palette generator →