#2555A4#2555A4

#2555A4 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.1% C 0.138 H 259.9°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#2555A4
RGB	rgb(37, 85, 164)
HSL	hsl(217, 63%, 39%)
HSV	hsv(217, 77%, 64%)
CMYK	cmyk(77.4%, 48.2%, 0%, 35.7%)
CIE-LAB	lab(37.06, 12.80, -47.32)
CIE-LCH	lch(37.06, 49.02, 285.14°)
OKLab	oklab(46.15% -0.0242 -0.1359)
OKLCH	oklch(46.15% 0.138 259.9)
XYZ	xyz(10.7099, 9.5694, 36.3974)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2555A4 #A47425

analogous

#2595A4 #2555A4 #3525A4

triadic

#2555A4 #A42555 #55A425

tetradic

#2555A4 #A42595 #A47425 #25A435

square

#2555A4 #A42595 #A47425 #25A435

split-complementary

#2555A4 #A43525 #95A425

monochromatic

#0E2140 #1A3B72 #2555A4 #3570D1 #6793DD

Accessibility & contrast

On white

7.21

#2555A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#2555A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2555A4

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2555A4	#FFFFFF	#000000	##FFFFFF
##2555A4	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295DA7

Deuteranopia (green-blind)

#0152A2

Tritanopia (blue-blind)

#006874

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2555a4;
/* rgb */ color: rgb(37, 85, 164);
/* oklch */ color: oklch(46.1% 0.138 259.9);

Tailwind

colors: {
  custom: {
    50: '#7384bf',
    500: '#2555a4',
    950: '#000000',
  },
}

SCSS

$custom: #2555a4;
$custom-light: #7384bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2555a4",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 164
  },
  "hsl": {
    "h": 217.323,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.46147,
    "c": 0.13804,
    "h": 259.9
  },
  "luminance": 0.09571
}

Semantic roles & 50–950 ramp

primary

#2555A4

secondary

#C29E62

accent

#A842E6

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2555A4

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

Preview Lab → · Contrast checker → · Palette generator →