#657BD5#657BD5

#657BD5 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.8% C 0.139 H 271.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#657BD5
RGB	rgb(101, 123, 213)
HSL	hsl(228, 57%, 62%)
HSV	hsv(228, 53%, 84%)
CMYK	cmyk(52.6%, 42.3%, 0%, 16.5%)
CIE-LAB	lab(53.74, 17.39, -48.88)
CIE-LCH	lch(53.74, 51.88, 289.59°)
OKLab	oklab(60.76% 0.0034 -0.1387)
OKLCH	oklch(60.76% 0.139 271.4)
XYZ	xyz(24.4561, 21.7351, 65.8445)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BD5 #D5BF65

analogous

#65B3D5 #657BD5 #8765D5

triadic

#657BD5 #D5657B #7BD565

tetradic

#657BD5 #D565B3 #D5BF65 #65D587

square

#657BD5 #D565B3 #D5BF65 #65D587

split-complementary

#657BD5 #D58765 #B3D565

monochromatic

#293F97 #3653C7 #657BD5 #95A4E2 #C5CDEF

Accessibility & contrast

On white

3.93

#657BD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#657BD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BD5

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BD5	#FFFFFF	#000000	##000000
##657BD5	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5686D8

Deuteranopia (green-blind)

#497CD3

Tritanopia (blue-blind)

#308E9E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657bd5;
/* rgb */ color: rgb(101, 123, 213);
/* oklch */ color: oklch(60.8% 0.139 271.4);

Tailwind

colors: {
  custom: {
    50: '#98a0e2',
    500: '#657bd5',
    950: '#000000',
  },
}

SCSS

$custom: #657bd5;
$custom-light: #98a0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#657bd5",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 213
  },
  "hsl": {
    "h": 228.214,
    "s": 57.143,
    "l": 61.569
  },
  "oklch": {
    "l": 0.6076,
    "c": 0.13878,
    "h": 271.4
  },
  "luminance": 0.21737
}

Semantic roles & 50–950 ramp

primary

#657BD5

secondary

#E0D8B6

accent

#A521C5

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657BD5

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

Preview Lab → · Contrast checker → · Palette generator →