#555EAF#555EAF

#555EAF is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.127 H 276.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#555EAF
RGB	rgb(85, 94, 175)
HSL	hsl(234, 36%, 51%)
HSV	hsv(234, 51%, 69%)
CMYK	cmyk(51.4%, 46.3%, 0%, 31.4%)
CIE-LAB	lab(42.81, 19.59, -44.48)
CIE-LCH	lch(42.81, 48.60, 293.77°)
OKLab	oklab(51.44% 0.0137 -0.1264)
OKLCH	oklch(51.44% 0.127 276.2)
XYZ	xyz(15.4844, 13.0309, 42.2484)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EAF #AFA655

analogous

#558BAF #555EAF #7955AF

triadic

#555EAF #AF555E #5EAF55

tetradic

#555EAF #AF558B #AFA655 #55AF79

square

#555EAF #AF558B #AFA655 #55AF79

split-complementary

#555EAF #AF7955 #8BAF55

monochromatic

#2C315E #404787 #555EAF #7F85C3 #A8ADD6

Accessibility & contrast

On white

5.82

#555EAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#555EAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EAF

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EAF	#FFFFFF	#000000	##FFFFFF
##555EAF	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B69B2

Deuteranopia (green-blind)

#3262AD

Tritanopia (blue-blind)

#2F6F7E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #555eaf;
/* rgb */ color: rgb(85, 94, 175);
/* oklch */ color: oklch(51.4% 0.127 276.2);

Tailwind

colors: {
  custom: {
    50: '#8b8bc7',
    500: '#555eaf',
    950: '#000000',
  },
}

SCSS

$custom: #555eaf;
$custom-light: #8b8bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#555eaf",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 175
  },
  "hsl": {
    "h": 234,
    "s": 36,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51445,
    "c": 0.12718,
    "h": 276.2
  },
  "luminance": 0.13032
}

Semantic roles & 50–950 ramp

primary

#555EAF

secondary

#C4C09C

accent

#C15CCC

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #555EAF

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

Preview Lab → · Contrast checker → · Palette generator →