#247AAF#247AAF

#247AAF is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.5% C 0.114 H 241.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#247AAF
RGB	rgb(36, 122, 175)
HSL	hsl(203, 66%, 41%)
HSV	hsv(203, 79%, 69%)
CMYK	cmyk(79.4%, 30.3%, 0%, 31.4%)
CIE-LAB	lab(48.74, -6.36, -35.21)
CIE-LCH	lch(48.74, 35.78, 259.76°)
OKLab	oklab(55.48% -0.0552 -0.0998)
OKLCH	oklch(55.48% 0.114 241)
XYZ	xyz(15.4219, 17.3874, 43.0924)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247AAF #AF5924

analogous

#24AF9F #247AAF #2434AF

triadic

#247AAF #AF247A #7AAF24

tetradic

#247AAF #9F24AF #AF5924 #34AF24

square

#247AAF #9F24AF #AF5924 #34AF24

split-complementary

#247AAF #AF2434 #AF9F24

monochromatic

#0F3349 #1A577C #247AAF #3A9BD6 #6DB5E1

Accessibility & contrast

On white

4.69

#247AAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#247AAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #247AAF

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247AAF	#FFFFFF	#000000	##FFFFFF
##247AAF	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617BB1

Deuteranopia (green-blind)

#4E6EAE

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #247aaf;
/* rgb */ color: rgb(36, 122, 175);
/* oklch */ color: oklch(55.5% 0.114 241.0);

Tailwind

colors: {
  custom: {
    50: '#75a0c7',
    500: '#247aaf',
    950: '#000000',
  },
}

SCSS

$custom: #247aaf;
$custom-light: #75a0c7;
$custom-dark: #000000;

JSON

{
  "hex": "#247aaf",
  "rgb": {
    "r": 36,
    "g": 122,
    "b": 175
  },
  "hsl": {
    "h": 202.878,
    "s": 65.877,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55477,
    "c": 0.11404,
    "h": 241
  },
  "luminance": 0.17389
}

Semantic roles & 50–950 ramp

primary

#247AAF

secondary

#C78C68

accent

#803FE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #247AAF

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

Preview Lab → · Contrast checker → · Palette generator →