#2555A3#2555A3

#2555A3 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.1% C 0.137 H 259.7°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#2555A3
RGB	rgb(37, 85, 163)
HSL	hsl(217, 63%, 39%)
HSV	hsv(217, 77%, 64%)
CMYK	cmyk(77.3%, 47.9%, 0%, 36.1%)
CIE-LAB	lab(36.99, 12.41, -46.83)
CIE-LCH	lch(36.99, 48.45, 284.84°)
OKLab	oklab(46.08% -0.0244 -0.1344)
OKLCH	oklch(46.08% 0.137 259.7)
XYZ	xyz(10.6199, 9.5334, 35.9237)
Luminance	0.0954 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2555A3 #A37325

analogous

#2594A3 #2555A3 #3425A3

triadic

#2555A3 #A32555 #55A325

tetradic

#2555A3 #A32594 #A37325 #25A334

square

#2555A3 #A32594 #A37325 #25A334

split-complementary

#2555A3 #A33425 #94A325

monochromatic

#0E213F #1A3B71 #2555A3 #3470D1 #6693DC

Accessibility & contrast

On white

7.22

#2555A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#2555A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2555A3

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2555A3	#FFFFFF	#000000	##FFFFFF
##2555A3	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5DA6

Deuteranopia (green-blind)

#0552A1

Tritanopia (blue-blind)

#006874

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2555a3;
/* rgb */ color: rgb(37, 85, 163);
/* oklch */ color: oklch(46.1% 0.137 259.7);

Tailwind

colors: {
  custom: {
    50: '#7284bf',
    500: '#2555a3',
    950: '#000000',
  },
}

SCSS

$custom: #2555a3;
$custom-light: #7284bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2555a3",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 163
  },
  "hsl": {
    "h": 217.143,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.46075,
    "c": 0.13664,
    "h": 259.7
  },
  "luminance": 0.09535
}

Semantic roles & 50–950 ramp

primary

#2555A3

secondary

#C29D62

accent

#A742E6

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2555A3

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

Preview Lab → · Contrast checker → · Palette generator →