#657BCA#657BCA

#657BCA is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.1% C 0.123 H 270.6°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#657BCA
RGB	rgb(101, 123, 202)
HSL	hsl(227, 49%, 59%)
HSV	hsv(227, 50%, 79%)
CMYK	cmyk(50%, 39.1%, 0%, 20.8%)
CIE-LAB	lab(53.16, 13.95, -43.57)
CIE-LCH	lch(53.16, 45.74, 287.75°)
OKLab	oklab(60.12% 0.0013 -0.1232)
OKLCH	oklch(60.12% 0.123 270.6)
XYZ	xyz(23.1070, 21.1954, 58.7392)
Luminance	0.2120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BCA #CAB465

analogous

#65ADCA #657BCA #8265CA

triadic

#657BCA #CA657B #7BCA65

tetradic

#657BCA #CA65AD #CAB465 #65CA82

square

#657BCA #CA65AD #CAB465 #65CA82

split-complementary

#657BCA #CA8265 #ADCA65

monochromatic

#2E4186 #3E58B4 #657BCA #93A2DA #C0C9E9

Accessibility & contrast

On white

4.01

#657BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#657BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BCA

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BCA	#FFFFFF	#000000	##000000
##657BCA	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C84CD

Deuteranopia (green-blind)

#527BC8

Tritanopia (blue-blind)

#3A8C99

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657bca;
/* rgb */ color: rgb(101, 123, 202);
/* oklch */ color: oklch(60.1% 0.123 270.6);

Tailwind

colors: {
  custom: {
    50: '#97a0da',
    500: '#657bca',
    950: '#000000',
  },
}

SCSS

$custom: #657bca;
$custom-light: #97a0da;
$custom-dark: #000000;

JSON

{
  "hex": "#657bca",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 202
  },
  "hsl": {
    "h": 226.931,
    "s": 48.792,
    "l": 59.412
  },
  "oklch": {
    "l": 0.60124,
    "c": 0.1232,
    "h": 270.6
  },
  "luminance": 0.21197
}

Semantic roles & 50–950 ramp

primary

#657BCA

secondary

#D9D1B2

accent

#BB4FD8

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657BCA

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

Preview Lab → · Contrast checker → · Palette generator →