#657FAF#657FAF

#657FAF is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.6% C 0.080 H 262.3°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#657FAF
RGB	rgb(101, 127, 175)
HSL	hsl(219, 32%, 54%)
HSV	hsv(219, 42%, 69%)
CMYK	cmyk(42.3%, 27.4%, 0%, 31.4%)
CIE-LAB	lab(52.99, 3.40, -28.37)
CIE-LCH	lch(52.99, 28.57, 276.84°)
OKLab	oklab(59.57% -0.0107 -0.0791)
OKLCH	oklch(59.57% 0.08 262.3)
XYZ	xyz(20.6916, 21.0395, 43.5199)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FAF #AF9565

analogous

#65A4AF #657FAF #7065AF

triadic

#657FAF #AF657F #7FAF65

tetradic

#657FAF #AF65A4 #AF9565 #65AF70

square

#657FAF #AF65A4 #AF9565 #65AF70

split-complementary

#657FAF #AF7065 #A4AF65

monochromatic

#354665 #49618D #657FAF #8DA0C4 #B6C2D9

Accessibility & contrast

On white

4.03

#657FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#657FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FAF

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FAF	#FFFFFF	#000000	##000000
##657FAF	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E82B1

Deuteranopia (green-blind)

#667BAE

Tritanopia (blue-blind)

#4B8990

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657faf;
/* rgb */ color: rgb(101, 127, 175);
/* oklch */ color: oklch(59.6% 0.080 262.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#657faf",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 175
  },
  "hsl": {
    "h": 218.919,
    "s": 31.624,
    "l": 54.118
  },
  "oklch": {
    "l": 0.59574,
    "c": 0.07984,
    "h": 262.3
  },
  "luminance": 0.21041
}

Semantic roles & 50–950 ramp

primary

#657FAF

secondary

#C8BDA8

accent

#A360C8

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #657FAF

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

Preview Lab → · Contrast checker → · Palette generator →