#247D9F#247D9F
#247D9F is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.4% C 0.096 H 228.4°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).
Color values
| HEX | #247D9F |
|---|---|
| RGB | rgb(36, 125, 159) |
| HSL | hsl(197, 63%, 38%) |
| HSV | hsv(197, 77%, 62%) |
| CMYK | cmyk(77.4%, 21.4%, 0%, 37.6%) |
| CIE-LAB | lab(48.94, -13.87, -25.60) |
| CIE-LCH | lch(48.94, 29.11, 241.54°) |
| OKLab | oklab(55.39% -0.0637 -0.0719) |
| OKLCH | oklch(55.39% 0.096 228.4) |
| XYZ | xyz(14.3166, 17.5438, 35.4259) |
| Luminance | 0.1755 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 2.78
Dirty Blue
#3F829D
ΔE00 3.16
Sea Blue
#047495
ΔE00 3.71
Ocean
#017B92
ΔE00 5.17
Ocean Blue (survey)
#03719C
ΔE00 5.26
Nice Blue
#107AB0
ΔE00 5.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#247D9F #9F4624
analogous
#249F83 #247D9F #24409F
triadic
#247D9F #9F247D #7D9F24
tetradic
#247D9F #83249F #9F4624 #409F24
square
#247D9F #83249F #9F4624 #409F24
split-complementary
#247D9F #9F2440 #9F8324
monochromatic
#0D2F3B #19566D #247D9F #30A4D0 #62BADB
Accessibility & contrast
On white
4.66
#247D9F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.51
#247D9F on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #247D9F
4.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##247D9F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##247D9F | 1.00 | 4.66 | 4.51 | 4.66 |
| #FFFFFF | 4.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B7BA1
Deuteranopia (green-blind)
#5B6F9F
Tritanopia (blue-blind)
#008788
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #247d9f; /* rgb */ color: rgb(36, 125, 159); /* oklch */ color: oklch(55.4% 0.096 228.4);
Tailwind
colors: {
custom: {
50: '#72a2bb',
500: '#247d9f',
950: '#000000',
},
}SCSS
$custom: #247d9f; $custom-light: #72a2bb; $custom-dark: #000000;
JSON
{
"hex": "#247d9f",
"rgb": {
"r": 36,
"g": 125,
"b": 159
},
"hsl": {
"h": 196.585,
"s": 63.077,
"l": 38.235
},
"oklch": {
"l": 0.5539,
"c": 0.09609,
"h": 228.4
},
"luminance": 0.17546
}Semantic roles & 50–950 ramp
primary
#247D9F
secondary
#C1795E
accent
#6F42E6
background
#F7FAFB
surface
#EDF3F6
border
#C8CDD0
text
#090F12
muted
#7B7F81