#247FBC#247FBC

#247FBC is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.4% C 0.125 H 243.5°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#247FBC
RGB	rgb(36, 127, 188)
HSL	hsl(204, 68%, 44%)
HSV	hsv(204, 81%, 74%)
CMYK	cmyk(80.9%, 32.4%, 0%, 26.3%)
CIE-LAB	lab(50.90, -4.51, -39.32)
CIE-LCH	lch(50.90, 39.58, 263.46°)
OKLab	oklab(57.39% -0.0558 -0.1117)
OKLCH	oklch(57.39% 0.125 243.5)
XYZ	xyz(17.3905, 19.1825, 50.3532)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247FBC #BC6124

analogous

#24BCAD #247FBC #2433BC

triadic

#247FBC #BC247F #7FBC24

tetradic

#247FBC #AD24BC #BC6124 #33BC24

square

#247FBC #AD24BC #BC6124 #33BC24

split-complementary

#247FBC #BC2433 #BCAD24

monochromatic

#103A55 #1A5C89 #247FBC #429EDB #76B8E5

Accessibility & contrast

On white

4.34

#247FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#247FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247FBC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247FBC	#FFFFFF	#000000	##000000
##247FBC	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6281BF

Deuteranopia (green-blind)

#4D73BB

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #247fbc;
/* rgb */ color: rgb(36, 127, 188);
/* oklch */ color: oklch(57.4% 0.125 243.5);

Tailwind

colors: {
  custom: {
    50: '#77a3d0',
    500: '#247fbc',
    950: '#000000',
  },
}

SCSS

$custom: #247fbc;
$custom-light: #77a3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#247fbc",
  "rgb": {
    "r": 36,
    "g": 127,
    "b": 188
  },
  "hsl": {
    "h": 204.079,
    "s": 67.857,
    "l": 43.922
  },
  "oklch": {
    "l": 0.57393,
    "c": 0.12483,
    "h": 243.5
  },
  "luminance": 0.19185
}

Semantic roles & 50–950 ramp

primary

#247FBC

secondary

#CC9570

accent

#833DEB

background

#F7FAFC

surface

#EEF3F9

border

#C9CDD2

text

#0A0F14

muted

#7C7F82

Preview Lab

Preview with #247FBC

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

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