#5657CE#5657CE

#5657CE is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.4% C 0.180 H 277.8°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#5657CE
RGB	rgb(86, 87, 206)
HSL	hsl(240, 55%, 57%)
HSV	hsv(240, 58%, 81%)
CMYK	cmyk(58.3%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(43.14, 34.25, -61.98)
CIE-LCH	lch(43.14, 70.82, 298.93°)
OKLab	oklab(52.36% 0.0245 -0.1779)
OKLCH	oklch(52.36% 0.18 277.8)
XYZ	xyz(18.3830, 13.2497, 59.9693)
Luminance	0.1325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5657CE #CECD56

analogous

#5693CE #5657CE #9156CE

triadic

#5657CE #CE5657 #57CE56

tetradic

#5657CE #CE5693 #CECD56 #56CE91

square

#5657CE #CE5693 #CECD56 #56CE91

split-complementary

#5657CE #CE9156 #93CE56

monochromatic

#262783 #3435B3 #5657CE #8586DC #B5B5EA

Accessibility & contrast

On white

5.75

#5657CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#5657CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5657CE

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5657CE	#FFFFFF	#000000	##FFFFFF
##5657CE	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD2

Deuteranopia (green-blind)

#0061CC

Tritanopia (blue-blind)

#00738A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5657ce;
/* rgb */ color: rgb(86, 87, 206);
/* oklch */ color: oklch(52.4% 0.180 277.8);

Tailwind

colors: {
  custom: {
    50: '#9086de',
    500: '#5657ce',
    950: '#000000',
  },
}

SCSS

$custom: #5657ce;
$custom-light: #9086de;
$custom-dark: #000000;

JSON

{
  "hex": "#5657ce",
  "rgb": {
    "r": 86,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 239.5,
    "s": 55.046,
    "l": 57.255
  },
  "oklch": {
    "l": 0.5236,
    "c": 0.17961,
    "h": 277.8
  },
  "luminance": 0.13251
}

Semantic roles & 50–950 ramp

primary

#5657CE

secondary

#D8D8A8

accent

#DD49DE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5657CE

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

Preview Lab → · Contrast checker → · Palette generator →