#247EB0#247EB0

#247EB0 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.112 H 238.5°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#247EB0
RGB	rgb(36, 126, 176)
HSL	hsl(201, 66%, 42%)
HSV	hsv(201, 80%, 69%)
CMYK	cmyk(79.5%, 28.4%, 0%, 31%)
CIE-LAB	lab(50.01, -8.34, -33.80)
CIE-LCH	lch(50.01, 34.81, 256.15°)
OKLab	oklab(56.5% -0.0587 -0.0956)
OKLCH	oklch(56.5% 0.112 238.5)
XYZ	xyz(16.0218, 18.4294, 43.7787)
Luminance	0.1843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247EB0 #B05624

analogous

#24B09C #247EB0 #2438B0

triadic

#247EB0 #B0247E #7EB024

tetradic

#247EB0 #9C24B0 #B05624 #38B024

square

#247EB0 #9C24B0 #B05624 #38B024

split-complementary

#247EB0 #B02438 #B09C24

monochromatic

#0F354A #1A5A7D #247EB0 #3A9FD7 #6DB8E1

Accessibility & contrast

On white

4.48

#247EB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#247EB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247EB0

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247EB0	#FFFFFF	#000000	##000000
##247EB0	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667EB2

Deuteranopia (green-blind)

#5371AF

Tritanopia (blue-blind)

#008B8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #247eb0;
/* rgb */ color: rgb(36, 126, 176);
/* oklch */ color: oklch(56.5% 0.112 238.5);

Tailwind

colors: {
  custom: {
    50: '#75a3c8',
    500: '#247eb0',
    950: '#000000',
  },
}

SCSS

$custom: #247eb0;
$custom-light: #75a3c8;
$custom-dark: #000000;

JSON

{
  "hex": "#247eb0",
  "rgb": {
    "r": 36,
    "g": 126,
    "b": 176
  },
  "hsl": {
    "h": 201.429,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56499,
    "c": 0.11217,
    "h": 238.5
  },
  "luminance": 0.18431
}

Semantic roles & 50–950 ramp

primary

#247EB0

secondary

#C88A68

accent

#7C3FE9

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #247EB0

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

Preview Lab → · Contrast checker → · Palette generator →