#247CB0#247CB0

#247CB0 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.0% C 0.114 H 240.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#247CB0
RGB	rgb(36, 124, 176)
HSL	hsl(202, 66%, 42%)
HSV	hsv(202, 80%, 69%)
CMYK	cmyk(79.5%, 29.5%, 0%, 31%)
CIE-LAB	lab(49.40, -7.17, -34.76)
CIE-LCH	lch(49.40, 35.49, 258.35°)
OKLab	oklab(56.01% -0.0568 -0.0984)
OKLCH	oklch(56.01% 0.114 240)
XYZ	xyz(15.7686, 17.9230, 43.6943)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247CB0 #B05824

analogous

#24B09E #247CB0 #2436B0

triadic

#247CB0 #B0247C #7CB024

tetradic

#247CB0 #9E24B0 #B05824 #36B024

square

#247CB0 #9E24B0 #B05824 #36B024

split-complementary

#247CB0 #B02436 #B09E24

monochromatic

#0F344A #1A587D #247CB0 #3A9DD7 #6DB6E1

Accessibility & contrast

On white

4.58

#247CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#247CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247CB0

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247CB0	#FFFFFF	#000000	##000000
##247CB0	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637DB2

Deuteranopia (green-blind)

#5070AF

Tritanopia (blue-blind)

#00898E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #247cb0;
/* rgb */ color: rgb(36, 124, 176);
/* oklch */ color: oklch(56.0% 0.114 240.0);

Tailwind

colors: {
  custom: {
    50: '#75a1c8',
    500: '#247cb0',
    950: '#000000',
  },
}

SCSS

$custom: #247cb0;
$custom-light: #75a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#247cb0",
  "rgb": {
    "r": 36,
    "g": 124,
    "b": 176
  },
  "hsl": {
    "h": 202.286,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56014,
    "c": 0.11362,
    "h": 240
  },
  "luminance": 0.17925
}

Semantic roles & 50–950 ramp

primary

#247CB0

secondary

#C88C68

accent

#7E3FE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #247CB0

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

Preview Lab → · Contrast checker → · Palette generator →