#247B9E#247B9E

#247B9E is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.8% C 0.096 H 229.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#247B9E
RGB	rgb(36, 123, 158)
HSL	hsl(197, 63%, 38%)
HSV	hsv(197, 77%, 62%)
CMYK	cmyk(77.2%, 22.2%, 0%, 38%)
CIE-LAB	lab(48.27, -13.10, -26.05)
CIE-LCH	lch(48.27, 29.15, 243.31°)
OKLab	oklab(54.84% -0.0621 -0.0732)
OKLCH	oklch(54.84% 0.096 229.7)
XYZ	xyz(13.9796, 17.0079, 34.8872)
Luminance	0.1701 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247B9E #9E4724

analogous

#249E84 #247B9E #243E9E

triadic

#247B9E #9E247B #7B9E24

tetradic

#247B9E #84249E #9E4724 #3E9E24

square

#247B9E #84249E #9E4724 #3E9E24

split-complementary

#247B9E #9E243E #9E8424

monochromatic

#0D2D3A #19546C #247B9E #2FA2D0 #61B8DB

Accessibility & contrast

On white

4.77

#247B9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#247B9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #247B9E

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247B9E	#FFFFFF	#000000	##FFFFFF
##247B9E	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6979A0

Deuteranopia (green-blind)

#596D9E

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #247b9e;
/* rgb */ color: rgb(36, 123, 158);
/* oklch */ color: oklch(54.8% 0.096 229.7);

Tailwind

colors: {
  custom: {
    50: '#72a1ba',
    500: '#247b9e',
    950: '#000000',
  },
}

SCSS

$custom: #247b9e;
$custom-light: #72a1ba;
$custom-dark: #000000;

JSON

{
  "hex": "#247b9e",
  "rgb": {
    "r": 36,
    "g": 123,
    "b": 158
  },
  "hsl": {
    "h": 197.213,
    "s": 62.887,
    "l": 38.039
  },
  "oklch": {
    "l": 0.54842,
    "c": 0.09601,
    "h": 229.7
  },
  "luminance": 0.1701
}

Semantic roles & 50–950 ramp

primary

#247B9E

secondary

#C07A5E

accent

#7142E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #247B9E

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

Preview Lab → · Contrast checker → · Palette generator →