#657CBC#657CBC

#657CBC is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.6% C 0.102 H 268.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#657CBC
RGB	rgb(101, 124, 188)
HSL	hsl(224, 39%, 57%)
HSV	hsv(224, 46%, 74%)
CMYK	cmyk(46.3%, 34%, 0%, 26.3%)
CIE-LAB	lab(52.74, 9.05, -36.23)
CIE-LCH	lch(52.74, 37.35, 284.02°)
OKLab	oklab(59.57% -0.0032 -0.1018)
OKLCH	oklch(59.57% 0.102 268.2)
XYZ	xyz(21.6487, 20.8116, 50.4435)
Luminance	0.2081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CBC #BCA565

analogous

#65A8BC #657CBC #7A65BC

triadic

#657CBC #BC657C #7CBC65

tetradic

#657CBC #BC65A8 #BCA565 #65BC7A

square

#657CBC #BC65A8 #BCA565 #65BC7A

split-complementary

#657CBC #BC7A65 #A8BC65

monochromatic

#334474 #455D9F #657CBC #90A0CF #BAC5E1

Accessibility & contrast

On white

4.07

#657CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#657CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CBC

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CBC	#FFFFFF	#000000	##000000
##657CBC	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6582BF

Deuteranopia (green-blind)

#5C7ABB

Tritanopia (blue-blind)

#448993

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657cbc;
/* rgb */ color: rgb(101, 124, 188);
/* oklch */ color: oklch(59.6% 0.102 268.2);

Tailwind

colors: {
  custom: {
    50: '#95a1d0',
    500: '#657cbc',
    950: '#000000',
  },
}

SCSS

$custom: #657cbc;
$custom-light: #95a1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#657cbc",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 188
  },
  "hsl": {
    "h": 224.138,
    "s": 39.367,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59573,
    "c": 0.10188,
    "h": 268.2
  },
  "luminance": 0.20813
}

Semantic roles & 50–950 ramp

primary

#657CBC

secondary

#D0C7AD

accent

#B059CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0F14

muted

#7E7E82

Preview Lab

Preview with #657CBC

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

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