#657FAC#657FAC

#657FAC is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.4% C 0.076 H 261.1°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#657FAC
RGB	rgb(101, 127, 172)
HSL	hsl(218, 30%, 54%)
HSV	hsv(218, 41%, 67%)
CMYK	cmyk(41.3%, 26.2%, 0%, 32.5%)
CIE-LAB	lab(52.87, 2.53, -26.84)
CIE-LCH	lch(52.87, 26.96, 275.39°)
OKLab	oklab(59.43% -0.0117 -0.0747)
OKLCH	oklch(59.43% 0.076 261.1)
XYZ	xyz(20.4002, 20.9229, 41.9853)
Luminance	0.2092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FAC #AC9265

analogous

#65A2AC #657FAC #6E65AC

triadic

#657FAC #AC657F #7FAC65

tetradic

#657FAC #AC65A2 #AC9265 #65AC6E

square

#657FAC #AC65A2 #AC9265 #65AC6E

split-complementary

#657FAC #AC6E65 #A2AC65

monochromatic

#354562 #4A618A #657FAC #8DA0C1 #B5C1D7

Accessibility & contrast

On white

4.05

#657FAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#657FAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FAC

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FAC	#FFFFFF	#000000	##000000
##657FAC	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F82AE

Deuteranopia (green-blind)

#677BAB

Tritanopia (blue-blind)

#4D898F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657fac;
/* rgb */ color: rgb(101, 127, 172);
/* oklch */ color: oklch(59.4% 0.076 261.1);

Tailwind

colors: {
  custom: {
    50: '#94a4c5',
    500: '#657fac',
    950: '#000000',
  },
}

SCSS

$custom: #657fac;
$custom-light: #94a4c5;
$custom-dark: #000000;

JSON

{
  "hex": "#657fac",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 172
  },
  "hsl": {
    "h": 218.028,
    "s": 29.958,
    "l": 53.529
  },
  "oklch": {
    "l": 0.59432,
    "c": 0.07563,
    "h": 261.1
  },
  "luminance": 0.20924
}

Semantic roles & 50–950 ramp

primary

#657FAC

secondary

#C6BAA7

accent

#A162C6

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657FAC

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

Preview Lab → · Contrast checker → · Palette generator →