#657EA9#657EA9

#657EA9 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.1% C 0.072 H 261.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#657EA9
RGB	rgb(101, 126, 169)
HSL	hsl(218, 28%, 53%)
HSV	hsv(218, 40%, 66%)
CMYK	cmyk(40.2%, 25.4%, 0%, 33.7%)
CIE-LAB	lab(52.46, 2.26, -25.74)
CIE-LCH	lch(52.46, 25.84, 275.03°)
OKLab	oklab(59.07% -0.0113 -0.0716)
OKLCH	oklch(59.07% 0.072 261)
XYZ	xyz(19.9869, 20.5519, 40.4422)
Luminance	0.2055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EA9 #A99065

analogous

#65A0A9 #657EA9 #6E65A9

triadic

#657EA9 #A9657E #7EA965

tetradic

#657EA9 #A965A0 #A99065 #65A96E

square

#657EA9 #A965A0 #A99065 #65A96E

split-complementary

#657EA9 #A96E65 #A0A965

monochromatic

#35445F #4B6186 #657EA9 #8C9FBF #B4C0D5

Accessibility & contrast

On white

4.11

#657EA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#657EA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EA9

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EA9	#FFFFFF	#000000	##000000
##657EA9	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F81AB

Deuteranopia (green-blind)

#677AA8

Tritanopia (blue-blind)

#4E878D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657ea9;
/* rgb */ color: rgb(101, 126, 169);
/* oklch */ color: oklch(59.1% 0.072 261.0);

Tailwind

colors: {
  custom: {
    50: '#93a3c2',
    500: '#657ea9',
    950: '#000000',
  },
}

SCSS

$custom: #657ea9;
$custom-light: #93a3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#657ea9",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 169
  },
  "hsl": {
    "h": 217.941,
    "s": 28.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.5907,
    "c": 0.07246,
    "h": 261
  },
  "luminance": 0.20553
}

Semantic roles & 50–950 ramp

primary

#657EA9

secondary

#C4B9A6

accent

#A163C5

background

#F9FAFB

surface

#F2F3F7

border

#CCCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #657EA9

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

Preview Lab → · Contrast checker → · Palette generator →