#2D55B8#2D55B8

#2D55B8 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.0% C 0.163 H 264.4°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#2D55B8
RGB	rgb(45, 85, 184)
HSL	hsl(223, 61%, 45%)
HSV	hsv(223, 76%, 72%)
CMYK	cmyk(75.5%, 53.8%, 0%, 27.8%)
CIE-LAB	lab(38.75, 21.49, -56.41)
CIE-LCH	lch(38.75, 60.37, 290.85°)
OKLab	oklab(47.97% -0.0158 -0.1625)
OKLCH	oklch(47.97% 0.163 264.4)
XYZ	xyz(12.9794, 10.5141, 46.6835)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D55B8 #B8902D

analogous

#2D9AB8 #2D55B8 #4B2DB8

triadic

#2D55B8 #B82D55 #55B82D

tetradic

#2D55B8 #B82D9A #B8902D #2DB84B

square

#2D55B8 #B82D9A #B8902D #2DB84B

split-complementary

#2D55B8 #B84B2D #9AB82D

monochromatic

#152856 #213E87 #2D55B8 #4E75D4 #809BE0

Accessibility & contrast

On white

6.77

#2D55B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2D55B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D55B8

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D55B8	#FFFFFF	#000000	##FFFFFF
##2D55B8	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0562BB

Deuteranopia (green-blind)

#0055B6

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2d55b8;
/* rgb */ color: rgb(45, 85, 184);
/* oklch */ color: oklch(48.0% 0.163 264.4);

Tailwind

colors: {
  custom: {
    50: '#7a84ce',
    500: '#2d55b8',
    950: '#000000',
  },
}

SCSS

$custom: #2d55b8;
$custom-light: #7a84ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2d55b8",
  "rgb": {
    "r": 45,
    "g": 85,
    "b": 184
  },
  "hsl": {
    "h": 222.734,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47965,
    "c": 0.16329,
    "h": 264.4
  },
  "luminance": 0.10516
}

Semantic roles & 50–950 ramp

primary

#2D55B8

secondary

#C9B178

accent

#B644E4

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2D55B8

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

Preview Lab → · Contrast checker → · Palette generator →