#247CB2#247CB2

#247CB2 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.116 H 241.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#247CB2
RGB	rgb(36, 124, 178)
HSL	hsl(203, 66%, 42%)
HSV	hsv(203, 80%, 70%)
CMYK	cmyk(79.8%, 30.3%, 0%, 30.2%)
CIE-LAB	lab(49.50, -6.43, -35.76)
CIE-LCH	lch(49.50, 36.34, 259.80°)
OKLab	oklab(56.12% -0.0561 -0.1013)
OKLCH	oklch(56.12% 0.116 241)
XYZ	xyz(15.9679, 18.0028, 44.7442)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247CB2 #B25A24

analogous

#24B2A1 #247CB2 #2435B2

triadic

#247CB2 #B2247C #7CB224

tetradic

#247CB2 #A124B2 #B25A24 #35B224

square

#247CB2 #A124B2 #B25A24 #35B224

split-complementary

#247CB2 #B22435 #B2A124

monochromatic

#0F354C #1A597F #247CB2 #3C9CD8 #6FB6E2

Accessibility & contrast

On white

4.56

#247CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#247CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247CB2

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247CB2	#FFFFFF	#000000	##000000
##247CB2	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637DB4

Deuteranopia (green-blind)

#4F70B1

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #247cb2;
/* rgb */ color: rgb(36, 124, 178);
/* oklch */ color: oklch(56.1% 0.116 241.0);

Tailwind

colors: {
  custom: {
    50: '#75a1c9',
    500: '#247cb2',
    950: '#000000',
  },
}

SCSS

$custom: #247cb2;
$custom-light: #75a1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#247cb2",
  "rgb": {
    "r": 36,
    "g": 124,
    "b": 178
  },
  "hsl": {
    "h": 202.817,
    "s": 66.355,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56123,
    "c": 0.11585,
    "h": 241
  },
  "luminance": 0.18005
}

Semantic roles & 50–950 ramp

primary

#247CB2

secondary

#C88E69

accent

#7F3FE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #247CB2

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

Preview Lab → · Contrast checker → · Palette generator →