#657BB2#657BB2

#657BB2 is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.8% C 0.089 H 267.0°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#657BB2
RGB	rgb(101, 123, 178)
HSL	hsl(223, 33%, 55%)
HSV	hsv(223, 43%, 70%)
CMYK	cmyk(43.3%, 30.9%, 0%, 30.2%)
CIE-LAB	lab(52.00, 6.66, -31.64)
CIE-LCH	lch(52.00, 32.34, 281.89°)
OKLab	oklab(58.85% -0.0046 -0.0885)
OKLCH	oklch(58.85% 0.089 267)
XYZ	xyz(20.4831, 20.1459, 44.9201)
Luminance	0.2015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BB2 #B29C65

analogous

#65A2B2 #657BB2 #7665B2

triadic

#657BB2 #B2657B #7BB265

tetradic

#657BB2 #B265A2 #B29C65 #65B276

square

#657BB2 #B265A2 #B29C65 #65B276

split-complementary

#657BB2 #B27665 #A2B265

monochromatic

#344368 #495D91 #657BB2 #8E9EC6 #B7C1DB

Accessibility & contrast

On white

4.18

#657BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#657BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BB2

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BB2	#FFFFFF	#000000	##000000
##657BB2	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6880B4

Deuteranopia (green-blind)

#6079B1

Tritanopia (blue-blind)

#4A868F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657bb2;
/* rgb */ color: rgb(101, 123, 178);
/* oklch */ color: oklch(58.8% 0.089 267.0);

Tailwind

colors: {
  custom: {
    50: '#94a1c9',
    500: '#657bb2',
    950: '#000000',
  },
}

SCSS

$custom: #657bb2;
$custom-light: #94a1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#657bb2",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 178
  },
  "hsl": {
    "h": 222.857,
    "s": 33.333,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58845,
    "c": 0.08867,
    "h": 267
  },
  "luminance": 0.20147
}

Semantic roles & 50–950 ramp

primary

#657BB2

secondary

#CAC0A9

accent

#AB5EC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #657BB2

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

Preview Lab → · Contrast checker → · Palette generator →