#657CBF#657CBF

#657CBF is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.7% C 0.106 H 268.7°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#657CBF
RGB	rgb(101, 124, 191)
HSL	hsl(225, 41%, 57%)
HSV	hsv(225, 47%, 75%)
CMYK	cmyk(47.1%, 35.1%, 0%, 25.1%)
CIE-LAB	lab(52.89, 9.96, -37.73)
CIE-LCH	lch(52.89, 39.02, 284.78°)
OKLab	oklab(59.73% -0.0025 -0.1062)
OKLCH	oklch(59.73% 0.106 268.7)
XYZ	xyz(21.9754, 20.9423, 52.1644)
Luminance	0.2094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CBF #BFA865

analogous

#65A9BF #657CBF #7B65BF

triadic

#657CBF #BF657C #7CBF65

tetradic

#657CBF #BF65A9 #BFA865 #65BF7B

square

#657CBF #BF65A9 #BFA865 #65BF7B

split-complementary

#657CBF #BF7B65 #A9BF65

monochromatic

#324478 #445CA3 #657CBF #90A1D1 #BBC6E3

Accessibility & contrast

On white

4.05

#657CBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#657CBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CBF

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CBF	#FFFFFF	#000000	##000000
##657CBF	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6382C2

Deuteranopia (green-blind)

#5A7BBE

Tritanopia (blue-blind)

#428A94

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657cbf;
/* rgb */ color: rgb(101, 124, 191);
/* oklch */ color: oklch(59.7% 0.106 268.7);

Tailwind

colors: {
  custom: {
    50: '#95a1d2',
    500: '#657cbf',
    950: '#000000',
  },
}

SCSS

$custom: #657cbf;
$custom-light: #95a1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#657cbf",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 191
  },
  "hsl": {
    "h": 224.667,
    "s": 41.284,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59731,
    "c": 0.1062,
    "h": 268.7
  },
  "luminance": 0.20944
}

Semantic roles & 50–950 ramp

primary

#657CBF

secondary

#D2C9AE

accent

#B257D1

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0F14

muted

#7E7E82

Preview Lab

Preview with #657CBF

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

Preview Lab → · Contrast checker → · Palette generator →