#247CBC#247CBC

#247CBC is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.127 H 245.4°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#247CBC
RGB	rgb(36, 124, 188)
HSL	hsl(205, 68%, 44%)
HSV	hsv(205, 81%, 74%)
CMYK	cmyk(80.9%, 34%, 0%, 26.3%)
CIE-LAB	lab(50.00, -2.72, -40.74)
CIE-LCH	lch(50.00, 40.83, 266.18°)
OKLab	oklab(56.68% -0.0531 -0.1159)
OKLCH	oklch(56.68% 0.127 245.4)
XYZ	xyz(17.0088, 18.4191, 50.2260)
Luminance	0.1842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247CBC #BC6424

analogous

#24BCB0 #247CBC #2430BC

triadic

#247CBC #BC247C #7CBC24

tetradic

#247CBC #B024BC #BC6424 #30BC24

square

#247CBC #B024BC #BC6424 #30BC24

split-complementary

#247CBC #BC2430 #BCB024

monochromatic

#103855 #1A5A89 #247CBC #429BDB #76B6E5

Accessibility & contrast

On white

4.48

#247CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#247CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247CBC

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247CBC	#FFFFFF	#000000	##000000
##247CBC	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7EBF

Deuteranopia (green-blind)

#4871BB

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #247cbc;
/* rgb */ color: rgb(36, 124, 188);
/* oklch */ color: oklch(56.7% 0.127 245.4);

Tailwind

colors: {
  custom: {
    50: '#77a1d0',
    500: '#247cbc',
    950: '#000000',
  },
}

SCSS

$custom: #247cbc;
$custom-light: #77a1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#247cbc",
  "rgb": {
    "r": 36,
    "g": 124,
    "b": 188
  },
  "hsl": {
    "h": 205.263,
    "s": 67.857,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56683,
    "c": 0.12745,
    "h": 245.4
  },
  "luminance": 0.18421
}

Semantic roles & 50–950 ramp

primary

#247CBC

secondary

#CC9770

accent

#863DEB

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #247CBC

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

Preview Lab → · Contrast checker → · Palette generator →