#2D73BC#2D73BC

#2D73BC is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.8% C 0.134 H 252.4°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#2D73BC
RGB	rgb(45, 115, 188)
HSL	hsl(211, 61%, 46%)
HSV	hsv(211, 76%, 74%)
CMYK	cmyk(76.1%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(47.56, 3.76, -44.60)
CIE-LCH	lch(47.56, 44.76, 274.82°)
OKLab	oklab(54.83% -0.0405 -0.1272)
OKLCH	oklch(54.83% 0.134 252.4)
XYZ	xyz(16.2866, 16.4483, 49.8837)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D73BC #BC762D

analogous

#2DBABC #2D73BC #2E2DBC

triadic

#2D73BC #BC2D73 #73BC2D

tetradic

#2D73BC #BC2DBA #BC762D #2DBC2E

square

#2D73BC #BC2DBA #BC762D #2DBC2E

split-complementary

#2D73BC #BC2E2D #BABC2D

monochromatic

#153759 #21558B #2D73BC #5192D5 #82B1E1

Accessibility & contrast

On white

4.90

#2D73BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#2D73BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D73BC

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D73BC	#FFFFFF	#000000	##FFFFFF
##2D73BC	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BF

Deuteranopia (green-blind)

#3A6BBB

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2d73bc;
/* rgb */ color: rgb(45, 115, 188);
/* oklch */ color: oklch(54.8% 0.134 252.4);

Tailwind

colors: {
  custom: {
    50: '#7a9ad0',
    500: '#2d73bc',
    950: '#000000',
  },
}

SCSS

$custom: #2d73bc;
$custom-light: #7a9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d73bc",
  "rgb": {
    "r": 45,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 210.629,
    "s": 61.373,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5483,
    "c": 0.13351,
    "h": 252.4
  },
  "luminance": 0.1645
}

Semantic roles & 50–950 ramp

primary

#2D73BC

secondary

#CAA37B

accent

#9643E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2D73BC

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

Preview Lab → · Contrast checker → · Palette generator →