#247BA1#247BA1

#247BA1 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.0% C 0.099 H 231.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#247BA1
RGB	rgb(36, 123, 161)
HSL	hsl(198, 63%, 39%)
HSV	hsv(198, 78%, 63%)
CMYK	cmyk(77.6%, 23.6%, 0%, 36.9%)
CIE-LAB	lab(48.40, -12.03, -27.60)
CIE-LCH	lch(48.40, 30.10, 246.45°)
OKLab	oklab(54.99% -0.061 -0.0777)
OKLCH	oklch(54.99% 0.099 231.9)
XYZ	xyz(14.2409, 17.1125, 36.2638)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247BA1 #A14A24

analogous

#24A188 #247BA1 #243CA1

triadic

#247BA1 #A1247B #7BA124

tetradic

#247BA1 #8824A1 #A14A24 #3CA124

square

#247BA1 #8824A1 #A14A24 #3CA124

split-complementary

#247BA1 #A1243C #A18824

monochromatic

#0E2F3D #19556F #247BA1 #31A0D1 #63B7DC

Accessibility & contrast

On white

4.75

#247BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#247BA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #247BA1

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247BA1	#FFFFFF	#000000	##FFFFFF
##247BA1	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687AA3

Deuteranopia (green-blind)

#576EA0

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #247ba1;
/* rgb */ color: rgb(36, 123, 161);
/* oklch */ color: oklch(55.0% 0.099 231.9);

Tailwind

colors: {
  custom: {
    50: '#72a1bd',
    500: '#247ba1',
    950: '#000000',
  },
}

SCSS

$custom: #247ba1;
$custom-light: #72a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#247ba1",
  "rgb": {
    "r": 36,
    "g": 123,
    "b": 161
  },
  "hsl": {
    "h": 198.24,
    "s": 63.452,
    "l": 38.627
  },
  "oklch": {
    "l": 0.5499,
    "c": 0.09877,
    "h": 231.9
  },
  "luminance": 0.17114
}

Semantic roles & 50–950 ramp

primary

#247BA1

secondary

#C27D5F

accent

#7441E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #247BA1

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

Preview Lab → · Contrast checker → · Palette generator →