#2A73B8#2A73B8

#2A73B8 is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.5% C 0.129 H 250.5°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#2A73B8
RGB	rgb(42, 115, 184)
HSL	hsl(209, 63%, 44%)
HSV	hsv(209, 77%, 72%)
CMYK	cmyk(77.2%, 37.5%, 0%, 27.8%)
CIE-LAB	lab(47.25, 1.90, -42.78)
CIE-LCH	lch(47.25, 42.82, 272.54°)
OKLab	oklab(54.5% -0.0432 -0.1219)
OKLCH	oklch(54.5% 0.129 250.5)
XYZ	xyz(15.7340, 16.2126, 47.6382)
Luminance	0.1621 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A73B8 #B86F2A

analogous

#2AB8B6 #2A73B8 #2A2CB8

triadic

#2A73B8 #B82A73 #73B82A

tetradic

#2A73B8 #B62AB8 #B86F2A #2CB82A

square

#2A73B8 #B62AB8 #B86F2A #2CB82A

split-complementary

#2A73B8 #B82A2C #B8B62A

monochromatic

#133554 #1F5486 #2A73B8 #4A92D6 #7BB0E1

Accessibility & contrast

On white

4.95

#2A73B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#2A73B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A73B8

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A73B8	#FFFFFF	#000000	##FFFFFF
##2A73B8	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5377BB

Deuteranopia (green-blind)

#3D6AB7

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2a73b8;
/* rgb */ color: rgb(42, 115, 184);
/* oklch */ color: oklch(54.5% 0.129 250.5);

Tailwind

colors: {
  custom: {
    50: '#789ace',
    500: '#2a73b8',
    950: '#000000',
  },
}

SCSS

$custom: #2a73b8;
$custom-light: #789ace;
$custom-dark: #000000;

JSON

{
  "hex": "#2a73b8",
  "rgb": {
    "r": 42,
    "g": 115,
    "b": 184
  },
  "hsl": {
    "h": 209.155,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.54495,
    "c": 0.12934,
    "h": 250.5
  },
  "luminance": 0.16214
}

Semantic roles & 50–950 ramp

primary

#2A73B8

secondary

#C99E75

accent

#9242E6

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A73B8

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

Preview Lab → · Contrast checker → · Palette generator →