#555EFF#555EFF

#555EFF is a mid, highly saturated blue. Relative luminance 0.172; OKLCH L 57.4% C 0.234 H 273.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#555EFF
RGB	rgb(85, 94, 255)
HSL	hsl(237, 100%, 67%)
HSV	hsv(237, 67%, 100%)
CMYK	cmyk(66.7%, 63.1%, 0%, 0%)
CIE-LAB	lab(48.45, 45.89, -81.01)
CIE-LCH	lch(48.45, 93.11, 299.53°)
OKLab	oklab(57.43% 0.0157 -0.2338)
OKLCH	oklch(57.43% 0.234 273.8)
XYZ	xyz(25.7930, 17.1543, 96.5402)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EFF #FFF655

analogous

#55B3FF #555EFF #A155FF

triadic

#555EFF #FF555E #5EFF55

tetradic

#555EFF #FF55B3 #FFF655 #55FFA1

square

#555EFF #FF55B3 #FFF655 #55FFA1

split-complementary

#555EFF #FFA155 #B3FF55

monochromatic

#000CDA #1824FF #555EFF #9298FF #CFD2FF

Accessibility & contrast

On white

4.74

#555EFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#555EFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EFF

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EFF	#FFFFFF	#000000	##FFFFFF
##555EFF	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BFF

Deuteranopia (green-blind)

#006BFC

Tritanopia (blue-blind)

#0088A6

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #555eff;
/* rgb */ color: rgb(85, 94, 255);
/* oklch */ color: oklch(57.4% 0.234 273.8);

Tailwind

colors: {
  custom: {
    50: '#988cff',
    500: '#555eff',
    950: '#000000',
  },
}

SCSS

$custom: #555eff;
$custom-light: #988cff;
$custom-dark: #000000;

JSON

{
  "hex": "#555eff",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 255
  },
  "hsl": {
    "h": 236.824,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.57429,
    "c": 0.23433,
    "h": 273.8
  },
  "luminance": 0.17157
}

Semantic roles & 50–950 ramp

primary

#555EFF

secondary

#F3F0BD

accent

#D900E6

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C18

muted

#7F7D86

Preview Lab

Preview with #555EFF

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

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