#657AE9#657AE9

#657AE9 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.8% C 0.168 H 272.5°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#657AE9
RGB	rgb(101, 122, 233)
HSL	hsl(230, 75%, 65%)
HSV	hsv(230, 57%, 91%)
CMYK	cmyk(56.7%, 47.6%, 0%, 8.6%)
CIE-LAB	lab(54.62, 24.39, -58.71)
CIE-LCH	lch(54.62, 63.58, 292.56°)
OKLab	oklab(61.8% 0.0074 -0.1676)
OKLCH	oklch(61.8% 0.168 272.5)
XYZ	xyz(27.0295, 22.5669, 80.0065)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AE9 #E9D465

analogous

#65BCE9 #657AE9 #9265E9

triadic

#657AE9 #E9657A #7AE965

tetradic

#657AE9 #E965BC #E9D465 #65E992

square

#657AE9 #E965BC #E9D465 #65E992

split-complementary

#657AE9 #E99265 #BCE965

monochromatic

#1A34B9 #2F4CE1 #657AE9 #9BA8F1 #D0D6F8

Accessibility & contrast

On white

3.81

#657AE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#657AE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AE9

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AE9	#FFFFFF	#000000	##000000
##657AE9	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4489ED

Deuteranopia (green-blind)

#307DE7

Tritanopia (blue-blind)

#0993A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657ae9;
/* rgb */ color: rgb(101, 122, 233);
/* oklch */ color: oklch(61.8% 0.168 272.5);

Tailwind

colors: {
  custom: {
    50: '#9ba0f1',
    500: '#657ae9',
    950: '#000000',
  },
}

SCSS

$custom: #657ae9;
$custom-light: #9ba0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#657ae9",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 233
  },
  "hsl": {
    "h": 230.455,
    "s": 75,
    "l": 65.49
  },
  "oklch": {
    "l": 0.61799,
    "c": 0.16777,
    "h": 272.5
  },
  "luminance": 0.22569
}

Semantic roles & 50–950 ramp

primary

#657AE9

secondary

#EBE4BF

accent

#B70ED7

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657AE9

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

Preview Lab → · Contrast checker → · Palette generator →