#247EA1#247EA1

#247EA1 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.7% C 0.097 H 228.9°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#247EA1
RGB	rgb(36, 126, 161)
HSL	hsl(197, 63%, 39%)
HSV	hsv(197, 78%, 63%)
CMYK	cmyk(77.6%, 21.7%, 0%, 36.9%)
CIE-LAB	lab(49.34, -13.73, -26.15)
CIE-LCH	lch(49.34, 29.53, 242.30°)
OKLab	oklab(55.74% -0.064 -0.0735)
OKLCH	oklch(55.74% 0.097 228.9)
XYZ	xyz(14.6188, 17.8682, 36.3897)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247EA1 #A14724

analogous

#24A185 #247EA1 #243FA1

triadic

#247EA1 #A1247E #7EA124

tetradic

#247EA1 #8524A1 #A14724 #3FA124

square

#247EA1 #8524A1 #A14724 #3FA124

split-complementary

#247EA1 #A1243F #A18524

monochromatic

#0E303D #19576F #247EA1 #31A4D1 #63BADC

Accessibility & contrast

On white

4.59

#247EA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#247EA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #247EA1

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247EA1	#FFFFFF	#000000	##FFFFFF
##247EA1	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7CA3

Deuteranopia (green-blind)

#5B70A1

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #247ea1;
/* rgb */ color: rgb(36, 126, 161);
/* oklch */ color: oklch(55.7% 0.097 228.9);

Tailwind

colors: {
  custom: {
    50: '#72a3bd',
    500: '#247ea1',
    950: '#000000',
  },
}

SCSS

$custom: #247ea1;
$custom-light: #72a3bd;
$custom-dark: #000000;

JSON

{
  "hex": "#247ea1",
  "rgb": {
    "r": 36,
    "g": 126,
    "b": 161
  },
  "hsl": {
    "h": 196.8,
    "s": 63.452,
    "l": 38.627
  },
  "oklch": {
    "l": 0.55736,
    "c": 0.09742,
    "h": 228.9
  },
  "luminance": 0.1787
}

Semantic roles & 50–950 ramp

primary

#247EA1

secondary

#C27B5F

accent

#7041E6

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #247EA1

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

Preview Lab → · Contrast checker → · Palette generator →