#657DB7#657DB7

#657DB7 is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.5% C 0.093 H 266.4°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#657DB7
RGB	rgb(101, 125, 183)
HSL	hsl(222, 36%, 56%)
HSV	hsv(222, 45%, 72%)
CMYK	cmyk(44.8%, 31.7%, 0%, 28.2%)
CIE-LAB	lab(52.79, 6.95, -33.30)
CIE-LCH	lch(52.79, 34.01, 281.79°)
OKLab	oklab(59.53% -0.0058 -0.0933)
OKLCH	oklch(59.53% 0.094 266.4)
XYZ	xyz(21.2450, 20.8516, 47.6959)
Luminance	0.2085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DB7 #B79F65

analogous

#65A6B7 #657DB7 #7665B7

triadic

#657DB7 #B7657D #7DB765

tetradic

#657DB7 #B765A6 #B79F65 #65B776

square

#657DB7 #B765A6 #B79F65 #65B776

split-complementary

#657DB7 #B77665 #A6B765

monochromatic

#33456E #475F98 #657DB7 #8FA0CA #B8C3DE

Accessibility & contrast

On white

4.06

#657DB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#657DB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DB7

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DB7	#FFFFFF	#000000	##000000
##657DB7	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6882B9

Deuteranopia (green-blind)

#607BB6

Tritanopia (blue-blind)

#478992

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657db7;
/* rgb */ color: rgb(101, 125, 183);
/* oklch */ color: oklch(59.5% 0.093 266.4);

Tailwind

colors: {
  custom: {
    50: '#95a2cd',
    500: '#657db7',
    950: '#000000',
  },
}

SCSS

$custom: #657db7;
$custom-light: #95a2cd;
$custom-dark: #000000;

JSON

{
  "hex": "#657db7",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 183
  },
  "hsl": {
    "h": 222.439,
    "s": 36.283,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5953,
    "c": 0.0935,
    "h": 266.4
  },
  "luminance": 0.20853
}

Semantic roles & 50–950 ramp

primary

#657DB7

secondary

#CDC3AB

accent

#AB5CCC

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #657DB7

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

Preview Lab → · Contrast checker → · Palette generator →