#247BBD#247BBD

#247BBD is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.130 H 246.4°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#247BBD
RGB	rgb(36, 123, 189)
HSL	hsl(206, 68%, 44%)
HSV	hsv(206, 81%, 74%)
CMYK	cmyk(81%, 34.9%, 0%, 25.9%)
CIE-LAB	lab(49.75, -1.75, -41.70)
CIE-LCH	lch(49.75, 41.74, 267.60°)
OKLab	oklab(56.51% -0.0519 -0.1187)
OKLCH	oklch(56.51% 0.13 246.4)
XYZ	xyz(16.9923, 18.2130, 50.7541)
Luminance	0.1822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247BBD #BD6624

analogous

#24BDB3 #247BBD #242FBD

triadic

#247BBD #BD247B #7BBD24

tetradic

#247BBD #B324BD #BD6624 #2FBD24

square

#247BBD #B324BD #BD6624 #2FBD24

split-complementary

#247BBD #BD242F #BDB324

monochromatic

#103856 #1A5A8A #247BBD #439ADB #76B5E5

Accessibility & contrast

On white

4.52

#247BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#247BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247BBD

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247BBD	#FFFFFF	#000000	##000000
##247BBD	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7EC0

Deuteranopia (green-blind)

#4670BC

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #247bbd;
/* rgb */ color: rgb(36, 123, 189);
/* oklch */ color: oklch(56.5% 0.130 246.4);

Tailwind

colors: {
  custom: {
    50: '#77a0d1',
    500: '#247bbd',
    950: '#000000',
  },
}

SCSS

$custom: #247bbd;
$custom-light: #77a0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#247bbd",
  "rgb": {
    "r": 36,
    "g": 123,
    "b": 189
  },
  "hsl": {
    "h": 205.882,
    "s": 68,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56505,
    "c": 0.12956,
    "h": 246.4
  },
  "luminance": 0.18215
}

Semantic roles & 50–950 ramp

primary

#247BBD

secondary

#CC9870

accent

#883DEB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #247BBD

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

Preview Lab → · Contrast checker → · Palette generator →