#247DB0#247DB0

#247DB0 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.3% C 0.113 H 239.2°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#247DB0
RGB	rgb(36, 125, 176)
HSL	hsl(202, 66%, 42%)
HSV	hsv(202, 80%, 69%)
CMYK	cmyk(79.5%, 29%, 0%, 31%)
CIE-LAB	lab(49.71, -7.75, -34.28)
CIE-LCH	lch(49.71, 35.14, 257.25°)
OKLab	oklab(56.26% -0.0577 -0.097)
OKLCH	oklch(56.26% 0.113 239.2)
XYZ	xyz(15.8945, 18.1750, 43.7363)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247DB0 #B05724

analogous

#24B09D #247DB0 #2437B0

triadic

#247DB0 #B0247D #7DB024

tetradic

#247DB0 #9D24B0 #B05724 #37B024

square

#247DB0 #9D24B0 #B05724 #37B024

split-complementary

#247DB0 #B02437 #B09D24

monochromatic

#0F354A #1A597D #247DB0 #3A9ED7 #6DB7E1

Accessibility & contrast

On white

4.53

#247DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#247DB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247DB0

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247DB0	#FFFFFF	#000000	##000000
##247DB0	1.00	4.53	4.64	4.64
#FFFFFF	4.53	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)

#657DB2

Deuteranopia (green-blind)

#5270AF

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #247db0;
/* rgb */ color: rgb(36, 125, 176);
/* oklch */ color: oklch(56.3% 0.113 239.2);

Tailwind

colors: {
  custom: {
    50: '#75a2c8',
    500: '#247db0',
    950: '#000000',
  },
}

SCSS

$custom: #247db0;
$custom-light: #75a2c8;
$custom-dark: #000000;

JSON

{
  "hex": "#247db0",
  "rgb": {
    "r": 36,
    "g": 125,
    "b": 176
  },
  "hsl": {
    "h": 201.857,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56256,
    "c": 0.11288,
    "h": 239.2
  },
  "luminance": 0.18177
}

Semantic roles & 50–950 ramp

primary

#247DB0

secondary

#C88B68

accent

#7D3FE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #247DB0

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

Preview Lab → · Contrast checker → · Palette generator →