#657DCC#657DCC

#657DCC is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.7% C 0.124 H 269.7°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#657DCC
RGB	rgb(101, 125, 204)
HSL	hsl(226, 50%, 60%)
HSV	hsv(226, 50%, 80%)
CMYK	cmyk(50.5%, 38.7%, 0%, 20%)
CIE-LAB	lab(53.81, 13.36, -43.68)
CIE-LCH	lch(53.81, 45.68, 287.00°)
OKLab	oklab(60.65% -0.0007 -0.1235)
OKLCH	oklch(60.65% 0.124 269.7)
XYZ	xyz(23.5960, 21.7920, 60.0779)
Luminance	0.2179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DCC #CCB465

analogous

#65B1CC #657DCC #8065CC

triadic

#657DCC #CC657D #7DCC65

tetradic

#657DCC #CC65B1 #CCB465 #65CC80

square

#657DCC #CC65B1 #CCB465 #65CC80

split-complementary

#657DCC #CC8065 #B1CC65

monochromatic

#2D4389 #3D59B7 #657DCC #93A4DB #C1CBEA

Accessibility & contrast

On white

3.92

#657DCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#657DCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DCC

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DCC	#FFFFFF	#000000	##000000
##657DCC	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E85CF

Deuteranopia (green-blind)

#537CCA

Tritanopia (blue-blind)

#388E9B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657dcc;
/* rgb */ color: rgb(101, 125, 204);
/* oklch */ color: oklch(60.7% 0.124 269.7);

Tailwind

colors: {
  custom: {
    50: '#97a2dc',
    500: '#657dcc',
    950: '#000000',
  },
}

SCSS

$custom: #657dcc;
$custom-light: #97a2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#657dcc",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 204
  },
  "hsl": {
    "h": 226.019,
    "s": 50.244,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60652,
    "c": 0.12353,
    "h": 269.7
  },
  "luminance": 0.21794
}

Semantic roles & 50–950 ramp

primary

#657DCC

secondary

#DAD1B2

accent

#B94EDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #657DCC

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

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