#247DA8#247DA8

#247DA8 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.8% C 0.104 H 234.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#247DA8
RGB	rgb(36, 125, 168)
HSL	hsl(200, 65%, 40%)
HSV	hsv(200, 79%, 66%)
CMYK	cmyk(78.6%, 25.6%, 0%, 34.1%)
CIE-LAB	lab(49.34, -10.66, -30.22)
CIE-LCH	lch(49.34, 32.05, 250.57°)
OKLab	oklab(55.84% -0.0604 -0.0852)
OKLCH	oklch(55.84% 0.105 234.7)
XYZ	xyz(15.1262, 17.8676, 39.6898)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247DA8 #A84F24

analogous

#24A891 #247DA8 #243BA8

triadic

#247DA8 #A8247D #7DA824

tetradic

#247DA8 #9124A8 #A84F24 #3BA824

square

#247DA8 #9124A8 #A84F24 #3BA824

split-complementary

#247DA8 #A8243B #A89124

monochromatic

#0E3243 #195876 #247DA8 #35A0D4 #68B8DF

Accessibility & contrast

On white

4.59

#247DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#247DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #247DA8

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247DA8	#FFFFFF	#000000	##FFFFFF
##247DA8	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687CAA

Deuteranopia (green-blind)

#5670A7

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #247da8;
/* rgb */ color: rgb(36, 125, 168);
/* oklch */ color: oklch(55.8% 0.104 234.7);

Tailwind

colors: {
  custom: {
    50: '#74a2c2',
    500: '#247da8',
    950: '#000000',
  },
}

SCSS

$custom: #247da8;
$custom-light: #74a2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#247da8",
  "rgb": {
    "r": 36,
    "g": 125,
    "b": 168
  },
  "hsl": {
    "h": 199.545,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.55838,
    "c": 0.1045,
    "h": 234.7
  },
  "luminance": 0.17869
}

Semantic roles & 50–950 ramp

primary

#247DA8

secondary

#C48363

accent

#7740E8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #247DA8

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

Preview Lab → · Contrast checker → · Palette generator →