#657BBA#657BBA

#657BBA is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.3% C 0.100 H 268.6°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#657BBA
RGB	rgb(101, 123, 186)
HSL	hsl(224, 38%, 56%)
HSV	hsv(224, 46%, 73%)
CMYK	cmyk(45.7%, 33.9%, 0%, 27.1%)
CIE-LAB	lab(52.37, 9.04, -35.67)
CIE-LCH	lch(52.37, 36.80, 284.23°)
OKLab	oklab(59.25% -0.0025 -0.1002)
OKLCH	oklch(59.25% 0.1 268.6)
XYZ	xyz(21.3099, 20.4766, 49.2743)
Luminance	0.2048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BBA #BAA465

analogous

#65A6BA #657BBA #7A65BA

triadic

#657BBA #BA657B #7BBA65

tetradic

#657BBA #BA65A6 #BAA465 #65BA7A

square

#657BBA #BA65A6 #BAA465 #65BA7A

split-complementary

#657BBA #BA7A65 #A6BA65

monochromatic

#334372 #465C9C #657BBA #8F9FCD #BAC3E0

Accessibility & contrast

On white

4.12

#657BBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#657BBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BBA

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BBA	#FFFFFF	#000000	##000000
##657BBA	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BD

Deuteranopia (green-blind)

#5C7AB9

Tritanopia (blue-blind)

#468892

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657bba;
/* rgb */ color: rgb(101, 123, 186);
/* oklch */ color: oklch(59.3% 0.100 268.6);

Tailwind

colors: {
  custom: {
    50: '#95a0cf',
    500: '#657bba',
    950: '#000000',
  },
}

SCSS

$custom: #657bba;
$custom-light: #95a0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#657bba",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 186
  },
  "hsl": {
    "h": 224.471,
    "s": 38.117,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59254,
    "c": 0.10023,
    "h": 268.6
  },
  "luminance": 0.20478
}

Semantic roles & 50–950 ramp

primary

#657BBA

secondary

#CFC6AC

accent

#B05ACE

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #657BBA

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

Preview Lab → · Contrast checker → · Palette generator →