#247E9B#247E9B

#247E9B is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.5% C 0.093 H 224.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#247E9B
RGB	rgb(36, 126, 155)
HSL	hsl(195, 62%, 37%)
HSV	hsv(195, 77%, 61%)
CMYK	cmyk(76.8%, 18.7%, 0%, 39.2%)
CIE-LAB	lab(49.08, -15.83, -23.03)
CIE-LCH	lch(49.08, 27.95, 235.50°)
OKLab	oklab(55.45% -0.0663 -0.0645)
OKLCH	oklch(55.45% 0.093 224.2)
XYZ	xyz(14.1024, 17.6616, 33.6698)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247E9B #9B4124

analogous

#249B7D #247E9B #24429B

triadic

#247E9B #9B247E #7E9B24

tetradic

#247E9B #7D249B #9B4124 #429B24

square

#247E9B #7D249B #9B4124 #429B24

split-complementary

#247E9B #9B2442 #9B7D24

monochromatic

#0D2D38 #185669 #247E9B #30A6CD #5FBCDA

Accessibility & contrast

On white

4.63

#247E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#247E9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #247E9B

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247E9B	#FFFFFF	#000000	##FFFFFF
##247E9B	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9C

Deuteranopia (green-blind)

#5E709B

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #247e9b;
/* rgb */ color: rgb(36, 126, 155);
/* oklch */ color: oklch(55.5% 0.093 224.2);

Tailwind

colors: {
  custom: {
    50: '#71a3b8',
    500: '#247e9b',
    950: '#000000',
  },
}

SCSS

$custom: #247e9b;
$custom-light: #71a3b8;
$custom-dark: #000000;

JSON

{
  "hex": "#247e9b",
  "rgb": {
    "r": 36,
    "g": 126,
    "b": 155
  },
  "hsl": {
    "h": 194.622,
    "s": 62.304,
    "l": 37.451
  },
  "oklch": {
    "l": 0.5545,
    "c": 0.09253,
    "h": 224.2
  },
  "luminance": 0.17663
}

Semantic roles & 50–950 ramp

primary

#247E9B

secondary

#BF745C

accent

#6A42E5

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #247E9B

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

Preview Lab → · Contrast checker → · Palette generator →