#657BB9#657BB9

#657BB9 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.2% C 0.099 H 268.4°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#657BB9
RGB	rgb(101, 123, 185)
HSL	hsl(224, 38%, 56%)
HSV	hsv(224, 45%, 73%)
CMYK	cmyk(45.4%, 33.5%, 0%, 27.5%)
CIE-LAB	lab(52.32, 8.74, -35.17)
CIE-LCH	lch(52.32, 36.24, 283.96°)
OKLab	oklab(59.2% -0.0027 -0.0987)
OKLCH	oklch(59.2% 0.099 268.4)
XYZ	xyz(21.2040, 20.4342, 48.7164)
Luminance	0.2044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BB9 #B9A365

analogous

#65A5B9 #657BB9 #7965B9

triadic

#657BB9 #B9657B #7BB965

tetradic

#657BB9 #B965A5 #B9A365 #65B979

square

#657BB9 #B965A5 #B9A365 #65B979

split-complementary

#657BB9 #B97965 #A5B965

monochromatic

#334370 #465C9B #657BB9 #8F9FCC #B9C3DF

Accessibility & contrast

On white

4.13

#657BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#657BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BB9

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BB9	#FFFFFF	#000000	##000000
##657BB9	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6581BC

Deuteranopia (green-blind)

#5C79B8

Tritanopia (blue-blind)

#468891

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657bb9;
/* rgb */ color: rgb(101, 123, 185);
/* oklch */ color: oklch(59.2% 0.099 268.4);

Tailwind

colors: {
  custom: {
    50: '#95a1ce',
    500: '#657bb9',
    950: '#000000',
  },
}

SCSS

$custom: #657bb9;
$custom-light: #95a1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#657bb9",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 185
  },
  "hsl": {
    "h": 224.286,
    "s": 37.5,
    "l": 56.078
  },
  "oklch": {
    "l": 0.59202,
    "c": 0.09879,
    "h": 268.4
  },
  "luminance": 0.20435
}

Semantic roles & 50–950 ramp

primary

#657BB9

secondary

#CEC5AC

accent

#AF5ACD

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E13

muted

#7E7E82

Preview Lab

Preview with #657BB9

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

Preview Lab → · Contrast checker → · Palette generator →