#2973B7#2973B7

#2973B7 is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.4% C 0.128 H 250.0°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#2973B7
RGB	rgb(41, 115, 183)
HSL	hsl(209, 63%, 44%)
HSV	hsv(209, 78%, 72%)
CMYK	cmyk(77.6%, 37.2%, 0%, 28.2%)
CIE-LAB	lab(47.17, 1.41, -42.33)
CIE-LCH	lch(47.17, 42.35, 271.90°)
OKLab	oklab(54.41% -0.044 -0.1206)
OKLCH	oklch(54.41% 0.128 250)
XYZ	xyz(15.5892, 16.1499, 47.0862)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2973B7 #B76D29

analogous

#29B7B4 #2973B7 #292CB7

triadic

#2973B7 #B72973 #73B729

tetradic

#2973B7 #B429B7 #B76D29 #2CB729

square

#2973B7 #B429B7 #B76D29 #2CB729

split-complementary

#2973B7 #B7292C #B7B429

monochromatic

#133453 #1E5485 #2973B7 #4792D6 #79AFE1

Accessibility & contrast

On white

4.96

#2973B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#2973B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2973B7

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2973B7	#FFFFFF	#000000	##FFFFFF
##2973B7	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5377BA

Deuteranopia (green-blind)

#3E6AB6

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2973b7;
/* rgb */ color: rgb(41, 115, 183);
/* oklch */ color: oklch(54.4% 0.128 250.0);

Tailwind

colors: {
  custom: {
    50: '#789acd',
    500: '#2973b7',
    950: '#000000',
  },
}

SCSS

$custom: #2973b7;
$custom-light: #789acd;
$custom-dark: #000000;

JSON

{
  "hex": "#2973b7",
  "rgb": {
    "r": 41,
    "g": 115,
    "b": 183
  },
  "hsl": {
    "h": 208.732,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.54406,
    "c": 0.12839,
    "h": 250
  },
  "luminance": 0.16152
}

Semantic roles & 50–950 ramp

primary

#2973B7

secondary

#C99C73

accent

#9041E6

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2973B7

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

Preview Lab → · Contrast checker → · Palette generator →