#31878F#31878F
#31878F is a mid, moderate teal. Relative luminance 0.200; OKLCH L 57.6% C 0.081 H 203.8°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #31878F |
|---|---|
| RGB | rgb(49, 135, 143) |
| HSL | hsl(185, 49%, 38%) |
| HSV | hsv(185, 66%, 56%) |
| CMYK | cmyk(65.7%, 5.6%, 0%, 43.9%) |
| CIE-LAB | lab(51.79, -22.70, -11.87) |
| CIE-LCH | lch(51.79, 25.62, 207.60°) |
| OKLab | oklab(57.58% -0.0744 -0.0329) |
| OKLCH | oklch(57.58% 0.081 203.8) |
| XYZ | xyz(14.8864, 19.9625, 29.0499) |
| Luminance | 0.1996 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Cyan
#0A888A
ΔE00 3.85
Darkcyan
#008B8B
ΔE00 4.83
Teal Blue
#01889F
ΔE00 5.35
Teal
#008080
ΔE00 5.59
Greenish Blue
#0B8B87
ΔE00 6.12
Deep Aqua
#08787F
ΔE00 6.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31878F #8F3931
analogous
#318F68 #31878F #31588F
triadic
#31878F #8F3187 #878F31
tetradic
#31878F #68318F #8F3931 #588F31
square
#31878F #68318F #8F3931 #588F31
split-complementary
#31878F #8F3158 #8F6831
monochromatic
#123134 #215C61 #31878F #41B2BD #6DC5CD
Accessibility & contrast
On white
4.21
#31878F on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#31878F on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #31878F
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31878F | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##31878F | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7D8190
Deuteranopia (green-blind)
#6E778F
Tritanopia (blue-blind)
#008C89
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #31878f; /* rgb */ color: rgb(49, 135, 143); /* oklch */ color: oklch(57.6% 0.081 203.8);
Tailwind
colors: {
custom: {
50: '#75aaaf',
500: '#31878f',
950: '#000000',
},
}SCSS
$custom: #31878f; $custom-light: #75aaaf; $custom-dark: #000000;
JSON
{
"hex": "#31878f",
"rgb": {
"r": 49,
"g": 135,
"b": 143
},
"hsl": {
"h": 185.106,
"s": 48.958,
"l": 37.647
},
"oklch": {
"l": 0.57575,
"c": 0.08135,
"h": 203.8
},
"luminance": 0.19964
}Semantic roles & 50–950 ramp
primary
#31878F
secondary
#B56E67
accent
#5B4FD9
background
#F7FAFA
surface
#EEF4F4
border
#C9CECE
text
#091010
muted
#7B7F7F