#2555A5#2555A5

#2555A5 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.2% C 0.139 H 260.1°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#2555A5
RGB	rgb(37, 85, 165)
HSL	hsl(218, 63%, 40%)
HSV	hsv(218, 78%, 65%)
CMYK	cmyk(77.6%, 48.5%, 0%, 35.3%)
CIE-LAB	lab(37.13, 13.19, -47.81)
CIE-LCH	lch(37.13, 49.60, 285.42°)
OKLab	oklab(46.22% -0.024 -0.1373)
OKLCH	oklch(46.22% 0.139 260.1)
XYZ	xyz(10.8005, 9.6057, 36.8749)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2555A5 #A57525

analogous

#2595A5 #2555A5 #3525A5

triadic

#2555A5 #A52555 #55A525

tetradic

#2555A5 #A52595 #A57525 #25A535

square

#2555A5 #A52595 #A57525 #25A535

split-complementary

#2555A5 #A53525 #95A525

monochromatic

#0F2141 #1A3B73 #2555A5 #3570D2 #6793DD

Accessibility & contrast

On white

7.19

#2555A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#2555A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2555A5

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2555A5	#FFFFFF	#000000	##FFFFFF
##2555A5	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285EA8

Deuteranopia (green-blind)

#0052A3

Tritanopia (blue-blind)

#006875

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2555a5;
/* rgb */ color: rgb(37, 85, 165);
/* oklch */ color: oklch(46.2% 0.139 260.1);

Tailwind

colors: {
  custom: {
    50: '#7384c0',
    500: '#2555a5',
    950: '#000000',
  },
}

SCSS

$custom: #2555a5;
$custom-light: #7384c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2555a5",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 165
  },
  "hsl": {
    "h": 217.5,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4622,
    "c": 0.13943,
    "h": 260.1
  },
  "luminance": 0.09607
}

Semantic roles & 50–950 ramp

primary

#2555A5

secondary

#C39F63

accent

#A941E6

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2555A5

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

Preview Lab → · Contrast checker → · Palette generator →