#247F9B#247F9B

#247F9B is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.7% C 0.092 H 223.2°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#247F9B
RGB	rgb(36, 127, 155)
HSL	hsl(194, 62%, 37%)
HSV	hsv(194, 77%, 61%)
CMYK	cmyk(76.8%, 18.1%, 0%, 39.2%)
CIE-LAB	lab(49.40, -16.38, -22.55)
CIE-LCH	lch(49.40, 27.87, 234.00°)
OKLab	oklab(55.7% -0.0673 -0.0631)
OKLCH	oklch(55.7% 0.092 223.2)
XYZ	xyz(14.2309, 17.9187, 33.7126)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247F9B #9B4024

analogous

#249B7C #247F9B #24439B

triadic

#247F9B #9B247F #7F9B24

tetradic

#247F9B #7C249B #9B4024 #439B24

square

#247F9B #7C249B #9B4024 #439B24

split-complementary

#247F9B #9B2443 #9B7C24

monochromatic

#0D2E38 #185669 #247F9B #30A8CD #5FBDDA

Accessibility & contrast

On white

4.58

#247F9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#247F9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247F9B

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247F9B	#FFFFFF	#000000	##000000
##247F9B	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9C

Deuteranopia (green-blind)

#5F709B

Tritanopia (blue-blind)

#008888

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #247f9b;
/* rgb */ color: rgb(36, 127, 155);
/* oklch */ color: oklch(55.7% 0.092 223.2);

Tailwind

colors: {
  custom: {
    50: '#72a4b8',
    500: '#247f9b',
    950: '#000000',
  },
}

SCSS

$custom: #247f9b;
$custom-light: #72a4b8;
$custom-dark: #000000;

JSON

{
  "hex": "#247f9b",
  "rgb": {
    "r": 36,
    "g": 127,
    "b": 155
  },
  "hsl": {
    "h": 194.118,
    "s": 62.304,
    "l": 37.451
  },
  "oklch": {
    "l": 0.55702,
    "c": 0.0923,
    "h": 223.2
  },
  "luminance": 0.1792
}

Semantic roles & 50–950 ramp

primary

#247F9B

secondary

#BF735C

accent

#6942E5

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #247F9B

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

Preview Lab → · Contrast checker → · Palette generator →