#657FBB#657FBB

#657FBB is a mid, moderate blue. Relative luminance 0.215; OKLCH L 60.2% C 0.097 H 265.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#657FBB
RGB	rgb(101, 127, 187)
HSL	hsl(222, 39%, 56%)
HSV	hsv(222, 46%, 73%)
CMYK	cmyk(46%, 32.1%, 0%, 26.7%)
CIE-LAB	lab(53.53, 6.95, -34.43)
CIE-LCH	lch(53.53, 35.13, 281.41°)
OKLab	oklab(60.17% -0.0072 -0.0966)
OKLCH	oklch(60.17% 0.097 265.7)
XYZ	xyz(21.9230, 21.5320, 50.0050)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FBB #BBA165

analogous

#65AABB #657FBB #7665BB

triadic

#657FBB #BB657F #7FBB65

tetradic

#657FBB #BB65AA #BBA165 #65BB76

square

#657FBB #BB65AA #BBA165 #65BB76

split-complementary

#657FBB #BB7665 #AABB65

monochromatic

#334673 #45609D #657FBB #8FA2CE #BAC6E0

Accessibility & contrast

On white

3.96

#657FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#657FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FBB

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FBB	#FFFFFF	#000000	##000000
##657FBB	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BE

Deuteranopia (green-blind)

#607CBA

Tritanopia (blue-blind)

#448C95

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657fbb;
/* rgb */ color: rgb(101, 127, 187);
/* oklch */ color: oklch(60.2% 0.097 265.7);

Tailwind

colors: {
  custom: {
    50: '#95a3cf',
    500: '#657fbb',
    950: '#000000',
  },
}

SCSS

$custom: #657fbb;
$custom-light: #95a3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#657fbb",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 187
  },
  "hsl": {
    "h": 221.86,
    "s": 38.739,
    "l": 56.471
  },
  "oklch": {
    "l": 0.60166,
    "c": 0.09687,
    "h": 265.7
  },
  "luminance": 0.21533
}

Semantic roles & 50–950 ramp

primary

#657FBB

secondary

#D0C5AC

accent

#AB59CF

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #657FBB

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

Preview Lab → · Contrast checker → · Palette generator →