#018783
Closest named color: Dark Cyan (#008B8B). oklch(56.3% 0.097 191.1), rgb(1, 135, 131).
Aa
Black text reads best on this color (4.79:1).
About this color
#018783 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.097 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.015 away. Black text reads best on it, at 4.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.79:1 |
| White text | 4.37:1 |
Values
| HEX | #018783 |
| RGB | rgb(1, 135, 131) |
| HSL | hsl(178, 99%, 27%) |
| OKLCH | oklch(56.3% 0.097 191.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #018783 | 4.37:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #018783 | 4.79:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #018783 text on white | 4.37:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #018783 text on black | 4.79:1 | AA | Lc -31.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C8DFDD
oklch(88.6% 0.025 190.4)
-
Step 300
300
#A1CAC7
oklch(80.9% 0.044 190.8)
-
Step 400
400
#6BAFAB
oklch(70.8% 0.069 190.9)
-
Step 500
500
#3B9B96
oklch(63.2% 0.089 190.3)
-
Step 600
600 (this color)
#018783
oklch(56.3% 0.097 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#104B49
oklch(37.6% 0.058 191.6)
-
Step 950
950
#0D2C2B
oklch(27% 0.036 192.3)
#018783 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7E7F83 | 0.102 |
| Deuteranopia (no green cones) | #6E7484 | 0.095 |
| Tritanopia (no blue cones) | #008B86 | 0.012 |
| Achromatopsia (no color) | #797979 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018783
#018783
oklch(56.3% 0.097 191.1)
- #A65C67
#A65C67
oklch(56.3% 0.097 11.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #018783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.015
- Teal #008080 ΔE 0.021
- Bluegreen #017A79 ΔE 0.040
- Teal Green #0A9396 ΔE 0.041
- Teal Blue #01889F ΔE 0.044
- Deep Aqua #08787F ΔE 0.046
- Ocean #017B92 ΔE 0.050
- Dusty Teal #4C9085 ΔE 0.051
Use #018783 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.