#2555BD#2555BD

#2555BD is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.1% C 0.172 H 262.9°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#2555BD
RGB	rgb(37, 85, 189)
HSL	hsl(221, 67%, 44%)
HSV	hsv(221, 80%, 74%)
CMYK	cmyk(80.4%, 55%, 0%, 25.9%)
CIE-LAB	lab(38.83, 22.53, -59.22)
CIE-LCH	lch(38.83, 63.36, 290.83°)
OKLab	oklab(48.07% -0.0212 -0.1709)
OKLCH	oklch(48.07% 0.172 262.9)
XYZ	xyz(13.1935, 10.5629, 49.4777)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2555BD #BD8D25

analogous

#25A1BD #2555BD #4125BD

triadic

#2555BD #BD2555 #55BD25

tetradic

#2555BD #BD25A1 #BD8D25 #25BD41

square

#2555BD #BD25A1 #BD8D25 #25BD41

split-complementary

#2555BD #BD4125 #A1BD25

monochromatic

#112757 #1B3E8A #2555BD #4574DB #789AE5

Accessibility & contrast

On white

6.75

#2555BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#2555BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2555BD

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2555BD	#FFFFFF	#000000	##FFFFFF
##2555BD	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2555bd;
/* rgb */ color: rgb(37, 85, 189);
/* oklch */ color: oklch(48.1% 0.172 262.9);

Tailwind

colors: {
  custom: {
    50: '#7984d2',
    500: '#2555bd',
    950: '#000000',
  },
}

SCSS

$custom: #2555bd;
$custom-light: #7984d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2555bd",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 189
  },
  "hsl": {
    "h": 221.053,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48065,
    "c": 0.1722,
    "h": 262.9
  },
  "luminance": 0.10564
}

Semantic roles & 50–950 ramp

primary

#2555BD

secondary

#CCB072

accent

#B43EEA

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2555BD

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

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