#657AAF#657AAF

#657AAF is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.5% C 0.086 H 267.2°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#657AAF
RGB	rgb(101, 122, 175)
HSL	hsl(223, 32%, 54%)
HSV	hsv(223, 42%, 69%)
CMYK	cmyk(42.3%, 30.3%, 0%, 31.4%)
CIE-LAB	lab(51.59, 6.38, -30.56)
CIE-LCH	lch(51.59, 31.21, 281.79°)
OKLab	oklab(58.48% -0.0042 -0.0854)
OKLCH	oklch(58.48% 0.086 267.2)
XYZ	xyz(20.0618, 19.7799, 43.3099)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AAF #AF9A65

analogous

#659FAF #657AAF #7565AF

triadic

#657AAF #AF657A #7AAF65

tetradic

#657AAF #AF659F #AF9A65 #65AF75

square

#657AAF #AF659F #AF9A65 #65AF75

split-complementary

#657AAF #AF7565 #9FAF65

monochromatic

#354265 #495D8D #657AAF #8D9DC4 #B6C0D9

Accessibility & contrast

On white

4.24

#657AAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#657AAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AAF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AAF	#FFFFFF	#000000	##000000
##657AAF	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677FB1

Deuteranopia (green-blind)

#6078AE

Tritanopia (blue-blind)

#4C858D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #657aaf;
/* rgb */ color: rgb(101, 122, 175);
/* oklch */ color: oklch(58.5% 0.086 267.2);

Tailwind

colors: {
  custom: {
    50: '#94a0c7',
    500: '#657aaf',
    950: '#000000',
  },
}

SCSS

$custom: #657aaf;
$custom-light: #94a0c7;
$custom-dark: #000000;

JSON

{
  "hex": "#657aaf",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 175
  },
  "hsl": {
    "h": 222.973,
    "s": 31.624,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58479,
    "c": 0.08551,
    "h": 267.2
  },
  "luminance": 0.19781
}

Semantic roles & 50–950 ramp

primary

#657AAF

secondary

#C8BFA8

accent

#AA60C8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #657AAF

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

Preview Lab → · Contrast checker → · Palette generator →