#657EB0#657EB0

#657EB0 is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.4% C 0.082 H 263.6°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#657EB0
RGB	rgb(101, 126, 176)
HSL	hsl(220, 32%, 54%)
HSV	hsv(220, 43%, 69%)
CMYK	cmyk(42.6%, 28.4%, 0%, 31%)
CIE-LAB	lab(52.75, 4.29, -29.32)
CIE-LCH	lch(52.75, 29.63, 278.32°)
OKLab	oklab(59.4% -0.0091 -0.0818)
OKLCH	oklch(59.4% 0.082 263.6)
XYZ	xyz(20.6617, 20.8219, 43.9962)
Luminance	0.2082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EB0 #B09765

analogous

#65A4B0 #657EB0 #7265B0

triadic

#657EB0 #B0657E #7EB065

tetradic

#657EB0 #B065A4 #B09765 #65B072

square

#657EB0 #B065A4 #B09765 #65B072

split-complementary

#657EB0 #B07265 #A4B065

monochromatic

#344566 #49608F #657EB0 #8DA0C5 #B6C2DA

Accessibility & contrast

On white

4.07

#657EB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#657EB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EB0

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EB0	#FFFFFF	#000000	##000000
##657EB0	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C82B2

Deuteranopia (green-blind)

#647BAF

Tritanopia (blue-blind)

#4B8890

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657eb0;
/* rgb */ color: rgb(101, 126, 176);
/* oklch */ color: oklch(59.4% 0.082 263.6);

Tailwind

colors: {
  custom: {
    50: '#94a3c7',
    500: '#657eb0',
    950: '#000000',
  },
}

SCSS

$custom: #657eb0;
$custom-light: #94a3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#657eb0",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 176
  },
  "hsl": {
    "h": 220,
    "s": 32.189,
    "l": 54.314
  },
  "oklch": {
    "l": 0.59402,
    "c": 0.08235,
    "h": 263.6
  },
  "luminance": 0.20823
}

Semantic roles & 50–950 ramp

primary

#657EB0

secondary

#C8BEA8

accent

#A55FC8

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #657EB0

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

Preview Lab → · Contrast checker → · Palette generator →