#2555A6#2555A6

#2555A6 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.141 H 260.2°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#2555A6
RGB	rgb(37, 85, 166)
HSL	hsl(218, 64%, 40%)
HSV	hsv(218, 78%, 65%)
CMYK	cmyk(77.7%, 48.8%, 0%, 34.9%)
CIE-LAB	lab(37.19, 13.58, -48.30)
CIE-LCH	lch(37.19, 50.17, 285.71°)
OKLab	oklab(46.29% -0.0239 -0.1388)
OKLCH	oklch(46.29% 0.141 260.2)
XYZ	xyz(10.8919, 9.6422, 37.3561)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2555A6 #A67625

analogous

#2596A6 #2555A6 #3525A6

triadic

#2555A6 #A62555 #55A625

tetradic

#2555A6 #A62596 #A67625 #25A635

square

#2555A6 #A62596 #A67625 #25A635

split-complementary

#2555A6 #A63525 #96A625

monochromatic

#0F2242 #1A3B74 #2555A6 #3670D2 #6894DD

Accessibility & contrast

On white

7.17

#2555A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2555A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2555A6

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2555A6	#FFFFFF	#000000	##FFFFFF
##2555A6	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275EA9

Deuteranopia (green-blind)

#0052A4

Tritanopia (blue-blind)

#006875

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2555a6;
/* rgb */ color: rgb(37, 85, 166);
/* oklch */ color: oklch(46.3% 0.141 260.2);

Tailwind

colors: {
  custom: {
    50: '#7384c1',
    500: '#2555a6',
    950: '#000000',
  },
}

SCSS

$custom: #2555a6;
$custom-light: #7384c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2555a6",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 166
  },
  "hsl": {
    "h": 217.674,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46293,
    "c": 0.14081,
    "h": 260.2
  },
  "luminance": 0.09643
}

Semantic roles & 50–950 ramp

primary

#2555A6

secondary

#C3A064

accent

#A941E7

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2555A6

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

Preview Lab → · Contrast checker → · Palette generator →