#2D55B9#2D55B9

#2D55B9 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.0% C 0.165 H 264.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#2D55B9
RGB	rgb(45, 85, 185)
HSL	hsl(223, 61%, 45%)
HSV	hsv(223, 76%, 73%)
CMYK	cmyk(75.7%, 54.1%, 0%, 27.5%)
CIE-LAB	lab(38.82, 21.87, -56.88)
CIE-LCH	lch(38.82, 60.94, 291.03°)
OKLab	oklab(48.04% -0.0157 -0.1639)
OKLCH	oklch(48.04% 0.165 264.5)
XYZ	xyz(13.0845, 10.5562, 47.2375)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D55B9 #B9912D

analogous

#2D9BB9 #2D55B9 #4B2DB9

triadic

#2D55B9 #B92D55 #55B92D

tetradic

#2D55B9 #B92D9B #B9912D #2DB94B

square

#2D55B9 #B92D9B #B9912D #2DB94B

split-complementary

#2D55B9 #B94B2D #9BB92D

monochromatic

#152857 #213E88 #2D55B9 #4F75D4 #809CE0

Accessibility & contrast

On white

6.75

#2D55B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#2D55B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D55B9

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D55B9	#FFFFFF	#000000	##FFFFFF
##2D55B9	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)

#0162BD

Deuteranopia (green-blind)

#0055B7

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2d55b9;
/* rgb */ color: rgb(45, 85, 185);
/* oklch */ color: oklch(48.0% 0.165 264.5);

Tailwind

colors: {
  custom: {
    50: '#7a84cf',
    500: '#2d55b9',
    950: '#000000',
  },
}

SCSS

$custom: #2d55b9;
$custom-light: #7a84cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d55b9",
  "rgb": {
    "r": 45,
    "g": 85,
    "b": 185
  },
  "hsl": {
    "h": 222.857,
    "s": 60.87,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48043,
    "c": 0.16466,
    "h": 264.5
  },
  "luminance": 0.10558
}

Semantic roles & 50–950 ramp

primary

#2D55B9

secondary

#C9B279

accent

#B644E4

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2D55B9

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

Preview Lab → · Contrast checker → · Palette generator →