#51909F#51909F
#51909F is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.7% C 0.069 H 214.9°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).
Color values
| HEX | #51909F |
|---|---|
| RGB | rgb(81, 144, 159) |
| HSL | hsl(192, 33%, 47%) |
| HSV | hsv(192, 49%, 62%) |
| CMYK | cmyk(49.1%, 9.4%, 0%, 37.6%) |
| CIE-LAB | lab(56.28, -16.06, -14.22) |
| CIE-LCH | lch(56.28, 21.45, 221.51°) |
| OKLab | oklab(61.69% -0.0563 -0.0392) |
| OKLCH | oklch(61.69% 0.069 214.9) |
| XYZ | xyz(19.6222, 24.1975, 36.4307) |
| Luminance | 0.2420 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 6.00
Dirty Blue
#3F829D
ΔE00 6.83
Cadetblue
#5F9EA0
ΔE00 7.17
Greyblue
#77A1B5
ΔE00 8.60
Bluish Grey
#748B97
ΔE00 8.83
Ocean
#017B92
ΔE00 9.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51909F #9F6051
analogous
#519F87 #51909F #51699F
triadic
#51909F #9F5190 #909F51
tetradic
#51909F #87519F #9F6051 #699F51
square
#51909F #87519F #9F6051 #699F51
split-complementary
#51909F #9F5169 #9F8751
monochromatic
#28474E #3C6B76 #51909F #75ABB9 #9DC4CD
Accessibility & contrast
On white
3.60
#51909F on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.84
#51909F on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #51909F
5.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51909F | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51909F | 1.00 | 3.60 | 5.84 | 5.84 |
| #FFFFFF | 3.60 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.84 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.84 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#858CA0
Deuteranopia (green-blind)
#79839F
Tritanopia (blue-blind)
#279695
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #51909f; /* rgb */ color: rgb(81, 144, 159); /* oklch */ color: oklch(61.7% 0.069 214.9);
Tailwind
colors: {
custom: {
50: '#87b0bb',
500: '#51909f',
950: '#000000',
},
}SCSS
$custom: #51909f; $custom-light: #87b0bb; $custom-dark: #000000;
JSON
{
"hex": "#51909f",
"rgb": {
"r": 81,
"g": 144,
"b": 159
},
"hsl": {
"h": 191.538,
"s": 32.5,
"l": 47.059
},
"oklch": {
"l": 0.61687,
"c": 0.0686,
"h": 214.9
},
"luminance": 0.24199
}Semantic roles & 50–950 ramp
primary
#51909F
secondary
#BA9992
accent
#735FC9
background
#F8FAFB
surface
#F0F4F6
border
#CBCED0
text
#0C1011
muted
#7D7F80