#657EA1#657EA1

#657EA1 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 58.7% C 0.061 H 256.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#657EA1
RGB	rgb(101, 126, 161)
HSL	hsl(215, 24%, 51%)
HSV	hsv(215, 37%, 63%)
CMYK	cmyk(37.3%, 21.7%, 0%, 36.9%)
CIE-LAB	lab(52.13, 0.01, -21.60)
CIE-LCH	lch(52.13, 21.60, 270.02°)
OKLab	oklab(58.71% -0.014 -0.0598)
OKLCH	oklch(58.71% 0.061 256.8)
XYZ	xyz(19.2587, 20.2607, 36.6072)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EA1 #A18865

analogous

#659CA1 #657EA1 #6A65A1

triadic

#657EA1 #A1657E #7EA165

tetradic

#657EA1 #A1659C #A18865 #65A16A

square

#657EA1 #A1659C #A18865 #65A16A

split-complementary

#657EA1 #A16A65 #9CA165

monochromatic

#354357 #4C607D #657EA1 #8B9EB8 #B1BECF

Accessibility & contrast

On white

4.16

#657EA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#657EA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EA1

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EA1	#FFFFFF	#000000	##000000
##657EA1	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7180A3

Deuteranopia (green-blind)

#6B7AA0

Tritanopia (blue-blind)

#52868A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657ea1;
/* rgb */ color: rgb(101, 126, 161);
/* oklch */ color: oklch(58.7% 0.061 256.8);

Tailwind

colors: {
  custom: {
    50: '#93a3bd',
    500: '#657ea1',
    950: '#000000',
  },
}

SCSS

$custom: #657ea1;
$custom-light: #93a3bd;
$custom-dark: #000000;

JSON

{
  "hex": "#657ea1",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 161
  },
  "hsl": {
    "h": 215,
    "s": 24.194,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58709,
    "c": 0.06139,
    "h": 256.8
  },
  "luminance": 0.20262
}

Semantic roles & 50–950 ramp

primary

#657EA1

secondary

#BEB3A4

accent

#9B67C1

background

#F9FAFB

surface

#F1F3F6

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657EA1

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

Preview Lab → · Contrast checker → · Palette generator →