#247B9B#247B9B

#247B9B is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.7% C 0.093 H 227.4°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#247B9B
RGB	rgb(36, 123, 155)
HSL	hsl(196, 62%, 37%)
HSV	hsv(196, 77%, 61%)
CMYK	cmyk(76.8%, 20.6%, 0%, 39.2%)
CIE-LAB	lab(48.14, -14.16, -24.49)
CIE-LCH	lch(48.14, 28.29, 239.97°)
OKLab	oklab(54.7% -0.0633 -0.0687)
OKLCH	oklch(54.7% 0.093 227.4)
XYZ	xyz(13.7245, 16.9059, 33.5438)
Luminance	0.1691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247B9B #9B4424

analogous

#249B7F #247B9B #24409B

triadic

#247B9B #9B247B #7B9B24

tetradic

#247B9B #7F249B #9B4424 #409B24

square

#247B9B #7F249B #9B4424 #409B24

split-complementary

#247B9B #9B2440 #9B7F24

monochromatic

#0D2C38 #185469 #247B9B #30A2CD #5FB9DA

Accessibility & contrast

On white

4.79

#247B9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#247B9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #247B9B

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247B9B	#FFFFFF	#000000	##FFFFFF
##247B9B	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A799D

Deuteranopia (green-blind)

#5A6D9B

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #247b9b;
/* rgb */ color: rgb(36, 123, 155);
/* oklch */ color: oklch(54.7% 0.093 227.4);

Tailwind

colors: {
  custom: {
    50: '#71a1b8',
    500: '#247b9b',
    950: '#000000',
  },
}

SCSS

$custom: #247b9b;
$custom-light: #71a1b8;
$custom-dark: #000000;

JSON

{
  "hex": "#247b9b",
  "rgb": {
    "r": 36,
    "g": 123,
    "b": 155
  },
  "hsl": {
    "h": 196.134,
    "s": 62.304,
    "l": 37.451
  },
  "oklch": {
    "l": 0.54696,
    "c": 0.09341,
    "h": 227.4
  },
  "luminance": 0.16908
}

Semantic roles & 50–950 ramp

primary

#247B9B

secondary

#BF775C

accent

#6E42E5

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #247B9B

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

Preview Lab → · Contrast checker → · Palette generator →