#247FB0#247FB0

#247FB0 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.7% C 0.111 H 237.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#247FB0
RGB	rgb(36, 127, 176)
HSL	hsl(201, 66%, 42%)
HSV	hsv(201, 80%, 69%)
CMYK	cmyk(79.5%, 27.8%, 0%, 31%)
CIE-LAB	lab(50.32, -8.92, -33.32)
CIE-LCH	lch(50.32, 34.49, 255.02°)
OKLab	oklab(56.74% -0.0596 -0.0942)
OKLCH	oklch(56.74% 0.111 237.7)
XYZ	xyz(16.1503, 18.6864, 43.8215)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247FB0 #B05524

analogous

#24B09B #247FB0 #2439B0

triadic

#247FB0 #B0247F #7FB024

tetradic

#247FB0 #9B24B0 #B05524 #39B024

square

#247FB0 #9B24B0 #B05524 #39B024

split-complementary

#247FB0 #B02439 #B09B24

monochromatic

#0F364A #1A5A7D #247FB0 #3AA0D7 #6DB9E1

Accessibility & contrast

On white

4.43

#247FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#247FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247FB0

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247FB0	#FFFFFF	#000000	##000000
##247FB0	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687FB2

Deuteranopia (green-blind)

#5572AF

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #247fb0;
/* rgb */ color: rgb(36, 127, 176);
/* oklch */ color: oklch(56.7% 0.111 237.7);

Tailwind

colors: {
  custom: {
    50: '#75a4c8',
    500: '#247fb0',
    950: '#000000',
  },
}

SCSS

$custom: #247fb0;
$custom-light: #75a4c8;
$custom-dark: #000000;

JSON

{
  "hex": "#247fb0",
  "rgb": {
    "r": 36,
    "g": 127,
    "b": 176
  },
  "hsl": {
    "h": 201,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56741,
    "c": 0.11148,
    "h": 237.7
  },
  "luminance": 0.18688
}

Semantic roles & 50–950 ramp

primary

#247FB0

secondary

#C88A68

accent

#7A3FE9

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #247FB0

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

Preview Lab → · Contrast checker → · Palette generator →