#2C55B9#2C55B9

#2C55B9 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.0% C 0.165 H 264.2°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#2C55B9
RGB	rgb(44, 85, 185)
HSL	hsl(223, 62%, 45%)
HSV	hsv(223, 76%, 73%)
CMYK	cmyk(76.2%, 54.1%, 0%, 27.5%)
CIE-LAB	lab(38.78, 21.75, -56.95)
CIE-LCH	lch(38.78, 60.96, 290.90°)
OKLab	oklab(48% -0.0165 -0.1641)
OKLCH	oklch(48% 0.165 264.2)
XYZ	xyz(13.0411, 10.5338, 47.2355)
Luminance	0.1053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C55B9 #B9902C

analogous

#2C9CB9 #2C55B9 #492CB9

triadic

#2C55B9 #B92C55 #55B92C

tetradic

#2C55B9 #B92C9C #B9902C #2CB949

square

#2C55B9 #B92C9C #B9902C #2CB949

split-complementary

#2C55B9 #B9492C #9CB92C

monochromatic

#142856 #203E88 #2C55B9 #4D75D5 #7F9BE1

Accessibility & contrast

On white

6.76

#2C55B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#2C55B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C55B9

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C55B9	#FFFFFF	#000000	##FFFFFF
##2C55B9	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BD

Deuteranopia (green-blind)

#0055B7

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2c55b9;
/* rgb */ color: rgb(44, 85, 185);
/* oklch */ color: oklch(48.0% 0.165 264.2);

Tailwind

colors: {
  custom: {
    50: '#7a84cf',
    500: '#2c55b9',
    950: '#000000',
  },
}

SCSS

$custom: #2c55b9;
$custom-light: #7a84cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2c55b9",
  "rgb": {
    "r": 44,
    "g": 85,
    "b": 185
  },
  "hsl": {
    "h": 222.553,
    "s": 61.572,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48003,
    "c": 0.16493,
    "h": 264.2
  },
  "luminance": 0.10535
}

Semantic roles & 50–950 ramp

primary

#2C55B9

secondary

#C9B178

accent

#B643E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2C55B9

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

Preview Lab → · Contrast checker → · Palette generator →