#657DB2#657DB2

#657DB2 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.3% C 0.086 H 265.2°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#657DB2
RGB	rgb(101, 125, 178)
HSL	hsl(221, 33%, 55%)
HSV	hsv(221, 43%, 70%)
CMYK	cmyk(43.3%, 29.8%, 0%, 30.2%)
CIE-LAB	lab(52.56, 5.47, -30.77)
CIE-LCH	lch(52.56, 31.25, 280.07°)
OKLab	oklab(59.28% -0.0072 -0.086)
OKLCH	oklch(59.28% 0.086 265.2)
XYZ	xyz(20.7338, 20.6471, 45.0036)
Luminance	0.2065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DB2 #B29A65

analogous

#65A3B2 #657DB2 #7465B2

triadic

#657DB2 #B2657D #7DB265

tetradic

#657DB2 #B265A3 #B29A65 #65B274

square

#657DB2 #B265A3 #B29A65 #65B274

split-complementary

#657DB2 #B27465 #A3B265

monochromatic

#344468 #495F91 #657DB2 #8E9FC6 #B7C2DB

Accessibility & contrast

On white

4.09

#657DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#657DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DB2

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DB2	#FFFFFF	#000000	##000000
##657DB2	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A81B4

Deuteranopia (green-blind)

#627AB1

Tritanopia (blue-blind)

#4A8890

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657db2;
/* rgb */ color: rgb(101, 125, 178);
/* oklch */ color: oklch(59.3% 0.086 265.2);

Tailwind

colors: {
  custom: {
    50: '#94a2c9',
    500: '#657db2',
    950: '#000000',
  },
}

SCSS

$custom: #657db2;
$custom-light: #94a2c9;
$custom-dark: #000000;

JSON

{
  "hex": "#657db2",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 178
  },
  "hsl": {
    "h": 221.299,
    "s": 33.333,
    "l": 54.706
  },
  "oklch": {
    "l": 0.5928,
    "c": 0.08632,
    "h": 265.2
  },
  "luminance": 0.20648
}

Semantic roles & 50–950 ramp

primary

#657DB2

secondary

#CAC0A9

accent

#A85EC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #657DB2

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

Preview Lab → · Contrast checker → · Palette generator →