#657CB9#657CB9

#657CB9 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.4% C 0.098 H 267.7°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#657CB9
RGB	rgb(101, 124, 185)
HSL	hsl(224, 38%, 56%)
HSV	hsv(224, 45%, 73%)
CMYK	cmyk(45.4%, 33%, 0%, 27.5%)
CIE-LAB	lab(52.60, 8.14, -34.73)
CIE-LCH	lch(52.60, 35.68, 283.20°)
OKLab	oklab(59.42% -0.004 -0.0975)
OKLCH	oklch(59.42% 0.098 267.7)
XYZ	xyz(21.3287, 20.6836, 48.7580)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CB9 #B9A265

analogous

#65A6B9 #657CB9 #7865B9

triadic

#657CB9 #B9657C #7CB965

tetradic

#657CB9 #B965A6 #B9A265 #65B978

square

#657CB9 #B965A6 #B9A265 #65B978

split-complementary

#657CB9 #B97865 #A6B965

monochromatic

#334470 #465D9B #657CB9 #8FA0CC #B9C4DF

Accessibility & contrast

On white

4.09

#657CB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#657CB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CB9

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CB9	#FFFFFF	#000000	##000000
##657CB9	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6682BC

Deuteranopia (green-blind)

#5D7AB8

Tritanopia (blue-blind)

#468992

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657cb9;
/* rgb */ color: rgb(101, 124, 185);
/* oklch */ color: oklch(59.4% 0.098 267.7);

Tailwind

colors: {
  custom: {
    50: '#95a1ce',
    500: '#657cb9',
    950: '#000000',
  },
}

SCSS

$custom: #657cb9;
$custom-light: #95a1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#657cb9",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 185
  },
  "hsl": {
    "h": 223.571,
    "s": 37.5,
    "l": 56.078
  },
  "oklch": {
    "l": 0.59417,
    "c": 0.09756,
    "h": 267.7
  },
  "luminance": 0.20685
}

Semantic roles & 50–950 ramp

primary

#657CB9

secondary

#CEC5AC

accent

#AE5ACD

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #657CB9

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

Preview Lab → · Contrast checker → · Palette generator →