#657CCA#657CCA

#657CCA is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.3% C 0.122 H 270.0°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#657CCA
RGB	rgb(101, 124, 202)
HSL	hsl(226, 49%, 59%)
HSV	hsv(226, 50%, 79%)
CMYK	cmyk(50%, 38.6%, 0%, 20.8%)
CIE-LAB	lab(53.43, 13.34, -43.14)
CIE-LCH	lch(53.43, 45.15, 287.18°)
OKLab	oklab(60.33% 0.0001 -0.1219)
OKLCH	oklch(60.33% 0.122 270)
XYZ	xyz(23.2317, 21.4448, 58.7807)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CCA #CAB365

analogous

#65AECA #657CCA #8165CA

triadic

#657CCA #CA657C #7CCA65

tetradic

#657CCA #CA65AE #CAB365 #65CA81

square

#657CCA #CA65AE #CAB365 #65CA81

split-complementary

#657CCA #CA8165 #AECA65

monochromatic

#2E4286 #3E59B4 #657CCA #93A3DA #C0C9E9

Accessibility & contrast

On white

3.97

#657CCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#657CCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CCA

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CCA	#FFFFFF	#000000	##000000
##657CCA	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E84CD

Deuteranopia (green-blind)

#537CC8

Tritanopia (blue-blind)

#3A8D99

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657cca;
/* rgb */ color: rgb(101, 124, 202);
/* oklch */ color: oklch(60.3% 0.122 270.0);

Tailwind

colors: {
  custom: {
    50: '#97a1da',
    500: '#657cca',
    950: '#000000',
  },
}

SCSS

$custom: #657cca;
$custom-light: #97a1da;
$custom-dark: #000000;

JSON

{
  "hex": "#657cca",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 202
  },
  "hsl": {
    "h": 226.337,
    "s": 48.792,
    "l": 59.412
  },
  "oklch": {
    "l": 0.60332,
    "c": 0.12194,
    "h": 270
  },
  "luminance": 0.21446
}

Semantic roles & 50–950 ramp

primary

#657CCA

secondary

#D9D0B2

accent

#B94FD8

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657CCA

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

Preview Lab → · Contrast checker → · Palette generator →