#2255BB#2255BB

#2255BB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.170 H 262.1°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#2255BB
RGB	rgb(34, 85, 187)
HSL	hsl(220, 69%, 43%)
HSV	hsv(220, 82%, 73%)
CMYK	cmyk(81.8%, 54.5%, 0%, 26.7%)
CIE-LAB	lab(38.59, 21.47, -58.45)
CIE-LCH	lch(38.59, 62.27, 290.17°)
OKLab	oklab(47.81% -0.0233 -0.1687)
OKLCH	oklch(47.81% 0.17 262.1)
XYZ	xyz(12.8746, 10.4234, 48.3374)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2255BB #BB8822

analogous

#22A1BB #2255BB #3B22BB

triadic

#2255BB #BB2255 #55BB22

tetradic

#2255BB #BB22A1 #BB8822 #22BB3B

square

#2255BB #BB22A1 #BB8822 #22BB3B

split-complementary

#2255BB #BB3B22 #A1BB22

monochromatic

#0F2653 #193D87 #2255BB #3E73DC #7298E5

Accessibility & contrast

On white

6.81

#2255BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#2255BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2255BB

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2255BB	#FFFFFF	#000000	##FFFFFF
##2255BB	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#006E7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2255bb;
/* rgb */ color: rgb(34, 85, 187);
/* oklch */ color: oklch(47.8% 0.170 262.1);

Tailwind

colors: {
  custom: {
    50: '#7784d0',
    500: '#2255bb',
    950: '#000000',
  },
}

SCSS

$custom: #2255bb;
$custom-light: #7784d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2255bb",
  "rgb": {
    "r": 34,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 220,
    "s": 69.231,
    "l": 43.333
  },
  "oklch": {
    "l": 0.47808,
    "c": 0.17027,
    "h": 262.1
  },
  "luminance": 0.10425
}

Semantic roles & 50–950 ramp

primary

#2255BB

secondary

#CCAC6D

accent

#B13CEC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2255BB

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

Preview Lab → · Contrast checker → · Palette generator →