#247DA6#247DA6

#247DA6 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.7% C 0.103 H 233.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#247DA6
RGB	rgb(36, 125, 166)
HSL	hsl(199, 64%, 40%)
HSV	hsv(199, 78%, 65%)
CMYK	cmyk(78.3%, 24.7%, 0%, 34.9%)
CIE-LAB	lab(49.24, -11.38, -29.20)
CIE-LCH	lch(49.24, 31.34, 248.71°)
OKLab	oklab(55.74% -0.0612 -0.0823)
OKLCH	oklch(55.74% 0.103 233.4)
XYZ	xyz(14.9413, 17.7937, 38.7161)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247DA6 #A64D24

analogous

#24A68E #247DA6 #243CA6

triadic

#247DA6 #A6247D #7DA624

tetradic

#247DA6 #8E24A6 #A64D24 #3CA624

square

#247DA6 #8E24A6 #A64D24 #3CA624

split-complementary

#247DA6 #A6243C #A68E24

monochromatic

#0E3141 #195774 #247DA6 #34A1D3 #66B8DE

Accessibility & contrast

On white

4.61

#247DA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#247DA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #247DA6

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247DA6	#FFFFFF	#000000	##FFFFFF
##247DA6	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697CA8

Deuteranopia (green-blind)

#5770A5

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #247da6;
/* rgb */ color: rgb(36, 125, 166);
/* oklch */ color: oklch(55.7% 0.103 233.4);

Tailwind

colors: {
  custom: {
    50: '#73a2c0',
    500: '#247da6',
    950: '#000000',
  },
}

SCSS

$custom: #247da6;
$custom-light: #73a2c0;
$custom-dark: #000000;

JSON

{
  "hex": "#247da6",
  "rgb": {
    "r": 36,
    "g": 125,
    "b": 166
  },
  "hsl": {
    "h": 198.923,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.55736,
    "c": 0.10253,
    "h": 233.4
  },
  "luminance": 0.17795
}

Semantic roles & 50–950 ramp

primary

#247DA6

secondary

#C48162

accent

#7540E7

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #247DA6

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

Preview Lab → · Contrast checker → · Palette generator →