#247FB1#247FB1

#247FB1 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.113 H 238.2°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#247FB1
RGB	rgb(36, 127, 177)
HSL	hsl(201, 66%, 42%)
HSV	hsv(201, 80%, 69%)
CMYK	cmyk(79.7%, 28.2%, 0%, 30.6%)
CIE-LAB	lab(50.37, -8.55, -33.83)
CIE-LCH	lch(50.37, 34.89, 255.81°)
OKLab	oklab(56.79% -0.0593 -0.0957)
OKLCH	oklch(56.79% 0.113 238.2)
XYZ	xyz(16.2496, 18.7262, 44.3445)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247FB1 #B15624

analogous

#24B19D #247FB1 #2438B1

triadic

#247FB1 #B1247F #7FB124

tetradic

#247FB1 #9D24B1 #B15624 #38B124

square

#247FB1 #9D24B1 #B15624 #38B124

split-complementary

#247FB1 #B12438 #B19D24

monochromatic

#0F364B #1A5B7E #247FB1 #3BA0D7 #6EB9E1

Accessibility & contrast

On white

4.43

#247FB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#247FB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247FB1

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247FB1	#FFFFFF	#000000	##000000
##247FB1	1.00	4.43	4.75	4.75
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677FB3

Deuteranopia (green-blind)

#5472B0

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #247fb1;
/* rgb */ color: rgb(36, 127, 177);
/* oklch */ color: oklch(56.8% 0.113 238.2);

Tailwind

colors: {
  custom: {
    50: '#75a4c8',
    500: '#247fb1',
    950: '#000000',
  },
}

SCSS

$custom: #247fb1;
$custom-light: #75a4c8;
$custom-dark: #000000;

JSON

{
  "hex": "#247fb1",
  "rgb": {
    "r": 36,
    "g": 127,
    "b": 177
  },
  "hsl": {
    "h": 201.277,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56794,
    "c": 0.11254,
    "h": 238.2
  },
  "luminance": 0.18728
}

Semantic roles & 50–950 ramp

primary

#247FB1

secondary

#C88B69

accent

#7B3FE9

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #247FB1

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

Preview Lab → · Contrast checker → · Palette generator →