#2556A6#2556A6

#2556A6 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.5% C 0.140 H 259.8°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#2556A6
RGB	rgb(37, 86, 166)
HSL	hsl(217, 64%, 40%)
HSV	hsv(217, 78%, 65%)
CMYK	cmyk(77.7%, 48.2%, 0%, 34.9%)
CIE-LAB	lab(37.48, 12.92, -47.83)
CIE-LCH	lch(37.48, 49.55, 285.12°)
OKLab	oklab(46.52% -0.0247 -0.1374)
OKLCH	oklch(46.52% 0.14 259.8)
XYZ	xyz(10.9712, 9.8008, 37.3825)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2556A6 #A67525

analogous

#2597A6 #2556A6 #3425A6

triadic

#2556A6 #A62556 #56A625

tetradic

#2556A6 #A62597 #A67525 #25A634

square

#2556A6 #A62597 #A67525 #25A634

split-complementary

#2556A6 #A63425 #97A625

monochromatic

#0F2242 #1A3C74 #2556A6 #3671D2 #6895DD

Accessibility & contrast

On white

7.09

#2556A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2556A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2556A6

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2556A6	#FFFFFF	#000000	##FFFFFF
##2556A6	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295EA9

Deuteranopia (green-blind)

#0053A4

Tritanopia (blue-blind)

#006976

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2556a6;
/* rgb */ color: rgb(37, 86, 166);
/* oklch */ color: oklch(46.5% 0.140 259.8);

Tailwind

colors: {
  custom: {
    50: '#7385c1',
    500: '#2556a6',
    950: '#000000',
  },
}

SCSS

$custom: #2556a6;
$custom-light: #7385c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2556a6",
  "rgb": {
    "r": 37,
    "g": 86,
    "b": 166
  },
  "hsl": {
    "h": 217.209,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46516,
    "c": 0.13959,
    "h": 259.8
  },
  "luminance": 0.09802
}

Semantic roles & 50–950 ramp

primary

#2556A6

secondary

#C39F64

accent

#A841E7

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2556A6

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

Preview Lab → · Contrast checker → · Palette generator →