#2D55B7#2D55B7

#2D55B7 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.162 H 264.4°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#2D55B7
RGB	rgb(45, 85, 183)
HSL	hsl(223, 61%, 45%)
HSV	hsv(223, 75%, 72%)
CMYK	cmyk(75.4%, 53.6%, 0%, 28.2%)
CIE-LAB	lab(38.68, 21.11, -55.94)
CIE-LCH	lch(38.68, 59.79, 290.67°)
OKLab	oklab(47.89% -0.0159 -0.1611)
OKLCH	oklch(47.89% 0.162 264.4)
XYZ	xyz(12.8749, 10.4724, 46.1334)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D55B7 #B78F2D

analogous

#2D9AB7 #2D55B7 #4A2DB7

triadic

#2D55B7 #B72D55 #55B72D

tetradic

#2D55B7 #B72D9A #B78F2D #2DB74A

square

#2D55B7 #B72D9A #B78F2D #2DB74A

split-complementary

#2D55B7 #B74A2D #9AB72D

monochromatic

#152755 #213E86 #2D55B7 #4E75D3 #7F9BDF

Accessibility & contrast

On white

6.79

#2D55B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#2D55B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D55B7

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D55B7	#FFFFFF	#000000	##FFFFFF
##2D55B7	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0962BA

Deuteranopia (green-blind)

#0055B5

Tritanopia (blue-blind)

#006D7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2d55b7;
/* rgb */ color: rgb(45, 85, 183);
/* oklch */ color: oklch(47.9% 0.162 264.4);

Tailwind

colors: {
  custom: {
    50: '#7a84cd',
    500: '#2d55b7',
    950: '#000000',
  },
}

SCSS

$custom: #2d55b7;
$custom-light: #7a84cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d55b7",
  "rgb": {
    "r": 45,
    "g": 85,
    "b": 183
  },
  "hsl": {
    "h": 222.609,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.47887,
    "c": 0.16193,
    "h": 264.4
  },
  "luminance": 0.10474
}

Semantic roles & 50–950 ramp

primary

#2D55B7

secondary

#C8B178

accent

#B544E4

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2D55B7

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

Preview Lab → · Contrast checker → · Palette generator →