#657CAF#657CAF

#657CAF is a mid, moderate blue. Relative luminance 0.203; OKLCH L 58.9% C 0.083 H 265.3°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#657CAF
RGB	rgb(101, 124, 175)
HSL	hsl(221, 32%, 54%)
HSV	hsv(221, 42%, 69%)
CMYK	cmyk(42.3%, 29.1%, 0%, 31.4%)
CIE-LAB	lab(52.15, 5.18, -29.68)
CIE-LCH	lch(52.15, 30.13, 279.90°)
OKLab	oklab(58.91% -0.0068 -0.0829)
OKLCH	oklch(58.91% 0.083 265.3)
XYZ	xyz(20.3099, 20.2761, 43.3926)
Luminance	0.2028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CAF #AF9865

analogous

#65A1AF #657CAF #7365AF

triadic

#657CAF #AF657C #7CAF65

tetradic

#657CAF #AF65A1 #AF9865 #65AF73

square

#657CAF #AF65A1 #AF9865 #65AF73

split-complementary

#657CAF #AF7365 #A1AF65

monochromatic

#354465 #495F8D #657CAF #8D9EC4 #B6C1D9

Accessibility & contrast

On white

4.15

#657CAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#657CAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CAF

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CAF	#FFFFFF	#000000	##000000
##657CAF	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A80B1

Deuteranopia (green-blind)

#6379AE

Tritanopia (blue-blind)

#4B878E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657caf;
/* rgb */ color: rgb(101, 124, 175);
/* oklch */ color: oklch(58.9% 0.083 265.3);

Tailwind

colors: {
  custom: {
    50: '#94a1c7',
    500: '#657caf',
    950: '#000000',
  },
}

SCSS

$custom: #657caf;
$custom-light: #94a1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#657caf",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 175
  },
  "hsl": {
    "h": 221.351,
    "s": 31.624,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58915,
    "c": 0.08317,
    "h": 265.3
  },
  "luminance": 0.20277
}

Semantic roles & 50–950 ramp

primary

#657CAF

secondary

#C8BEA8

accent

#A860C8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #657CAF

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

Preview Lab → · Contrast checker → · Palette generator →