#657EA5#657EA5

#657EA5 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 58.9% C 0.067 H 259.1°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#657EA5
RGB	rgb(101, 126, 165)
HSL	hsl(217, 26%, 52%)
HSV	hsv(217, 39%, 65%)
CMYK	cmyk(38.8%, 23.6%, 0%, 35.3%)
CIE-LAB	lab(52.29, 1.13, -23.68)
CIE-LCH	lch(52.29, 23.70, 272.73°)
OKLab	oklab(58.89% -0.0126 -0.0657)
OKLCH	oklch(58.89% 0.067 259.1)
XYZ	xyz(19.6171, 20.4040, 38.4947)
Luminance	0.2041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EA5 #A58C65

analogous

#659EA5 #657EA5 #6C65A5

triadic

#657EA5 #A5657E #7EA565

tetradic

#657EA5 #A5659E #A58C65 #65A56C

square

#657EA5 #A5659E #A58C65 #65A56C

split-complementary

#657EA5 #A56C65 #9EA565

monochromatic

#35445B #4C6181 #657EA5 #8C9EBC #B2BFD2

Accessibility & contrast

On white

4.13

#657EA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#657EA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EA5

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EA5	#FFFFFF	#000000	##000000
##657EA5	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7080A7

Deuteranopia (green-blind)

#697AA4

Tritanopia (blue-blind)

#50868B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657ea5;
/* rgb */ color: rgb(101, 126, 165);
/* oklch */ color: oklch(58.9% 0.067 259.1);

Tailwind

colors: {
  custom: {
    50: '#93a3bf',
    500: '#657ea5',
    950: '#000000',
  },
}

SCSS

$custom: #657ea5;
$custom-light: #93a3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#657ea5",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 165
  },
  "hsl": {
    "h": 216.563,
    "s": 26.23,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58887,
    "c": 0.06688,
    "h": 259.1
  },
  "luminance": 0.20405
}

Semantic roles & 50–950 ramp

primary

#657EA5

secondary

#C1B6A5

accent

#9E65C3

background

#F9FAFB

surface

#F1F3F7

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657EA5

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

Preview Lab → · Contrast checker → · Palette generator →