#247DA1#247DA1

#247DA1 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.5% C 0.098 H 229.9°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#247DA1
RGB	rgb(36, 125, 161)
HSL	hsl(197, 63%, 39%)
HSV	hsv(197, 78%, 63%)
CMYK	cmyk(77.6%, 22.4%, 0%, 36.9%)
CIE-LAB	lab(49.02, -13.16, -26.63)
CIE-LCH	lch(49.02, 29.70, 243.70°)
OKLab	oklab(55.49% -0.063 -0.0749)
OKLCH	oklch(55.49% 0.098 229.9)
XYZ	xyz(14.4916, 17.6138, 36.3473)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247DA1 #A14824

analogous

#24A186 #247DA1 #243EA1

triadic

#247DA1 #A1247D #7DA124

tetradic

#247DA1 #8624A1 #A14824 #3EA124

square

#247DA1 #8624A1 #A14824 #3EA124

split-complementary

#247DA1 #A1243E #A18624

monochromatic

#0E2F3D #19566F #247DA1 #31A3D1 #63B9DC

Accessibility & contrast

On white

4.64

#247DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#247DA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #247DA1

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247DA1	#FFFFFF	#000000	##FFFFFF
##247DA1	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7BA3

Deuteranopia (green-blind)

#5A6FA0

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #247da1;
/* rgb */ color: rgb(36, 125, 161);
/* oklch */ color: oklch(55.5% 0.098 229.9);

Tailwind

colors: {
  custom: {
    50: '#72a2bd',
    500: '#247da1',
    950: '#000000',
  },
}

SCSS

$custom: #247da1;
$custom-light: #72a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#247da1",
  "rgb": {
    "r": 36,
    "g": 125,
    "b": 161
  },
  "hsl": {
    "h": 197.28,
    "s": 63.452,
    "l": 38.627
  },
  "oklch": {
    "l": 0.55487,
    "c": 0.09784,
    "h": 229.9
  },
  "luminance": 0.17616
}

Semantic roles & 50–950 ramp

primary

#247DA1

secondary

#C27C5F

accent

#7141E6

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #247DA1

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

Preview Lab → · Contrast checker → · Palette generator →