#657DB4#657DB4

#657DB4 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.4% C 0.089 H 265.7°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#657DB4
RGB	rgb(101, 125, 180)
HSL	hsl(222, 34%, 55%)
HSV	hsv(222, 44%, 71%)
CMYK	cmyk(43.9%, 30.6%, 0%, 29.4%)
CIE-LAB	lab(52.65, 6.06, -31.78)
CIE-LCH	lch(52.65, 32.35, 280.79°)
OKLab	oklab(59.38% -0.0066 -0.0889)
OKLCH	oklch(59.38% 0.089 265.7)
XYZ	xyz(20.9361, 20.7280, 46.0689)
Luminance	0.2073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DB4 #B49C65

analogous

#65A5B4 #657DB4 #7465B4

triadic

#657DB4 #B4657D #7DB465

tetradic

#657DB4 #B465A5 #B49C65 #65B474

square

#657DB4 #B465A5 #B49C65 #65B474

split-complementary

#657DB4 #B47465 #A5B465

monochromatic

#34456B #485F94 #657DB4 #8EA0C8 #B7C2DC

Accessibility & contrast

On white

4.08

#657DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#657DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DB4

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DB4	#FFFFFF	#000000	##000000
##657DB4	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6982B6

Deuteranopia (green-blind)

#617AB3

Tritanopia (blue-blind)

#498891

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657db4;
/* rgb */ color: rgb(101, 125, 180);
/* oklch */ color: oklch(59.4% 0.089 265.7);

Tailwind

colors: {
  custom: {
    50: '#94a2ca',
    500: '#657db4',
    950: '#000000',
  },
}

SCSS

$custom: #657db4;
$custom-light: #94a2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#657db4",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 180
  },
  "hsl": {
    "h": 221.772,
    "s": 34.498,
    "l": 55.098
  },
  "oklch": {
    "l": 0.5938,
    "c": 0.0892,
    "h": 265.7
  },
  "luminance": 0.20729
}

Semantic roles & 50–950 ramp

primary

#657DB4

secondary

#CBC1AA

accent

#A95DCB

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #657DB4

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

Preview Lab → · Contrast checker → · Palette generator →