#247A9D#247A9D

#247A9D is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.5% C 0.096 H 229.9°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#247A9D
RGB	rgb(36, 122, 157)
HSL	hsl(197, 63%, 38%)
HSV	hsv(197, 77%, 62%)
CMYK	cmyk(77.1%, 22.3%, 0%, 38.4%)
CIE-LAB	lab(47.91, -12.88, -26.01)
CIE-LCH	lch(47.91, 29.03, 243.65°)
OKLab	oklab(54.54% -0.0615 -0.0731)
OKLCH	oklch(54.54% 0.096 229.9)
XYZ	xyz(13.7704, 16.7268, 34.3946)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247A9D #9D4724

analogous

#249D83 #247A9D #243E9D

triadic

#247A9D #9D247A #7A9D24

tetradic

#247A9D #83249D #9D4724 #3E9D24

square

#247A9D #83249D #9D4724 #3E9D24

split-complementary

#247A9D #9D243E #9D8324

monochromatic

#0D2D39 #19536B #247A9D #2FA1CF #61B7DB

Accessibility & contrast

On white

4.83

#247A9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#247A9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #247A9D

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247A9D	#FFFFFF	#000000	##FFFFFF
##247A9D	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68789F

Deuteranopia (green-blind)

#586D9D

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #247a9d;
/* rgb */ color: rgb(36, 122, 157);
/* oklch */ color: oklch(54.5% 0.096 229.9);

Tailwind

colors: {
  custom: {
    50: '#71a0ba',
    500: '#247a9d',
    950: '#000000',
  },
}

SCSS

$custom: #247a9d;
$custom-light: #71a0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#247a9d",
  "rgb": {
    "r": 36,
    "g": 122,
    "b": 157
  },
  "hsl": {
    "h": 197.355,
    "s": 62.694,
    "l": 37.843
  },
  "oklch": {
    "l": 0.54543,
    "c": 0.09554,
    "h": 229.9
  },
  "luminance": 0.16728
}

Semantic roles & 50–950 ramp

primary

#247A9D

secondary

#C07A5D

accent

#7142E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #247A9D

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

Preview Lab → · Contrast checker → · Palette generator →