#218776
Closest named color: Dark Cyan (#008B8B). oklch(56.3% 0.094 178.8), rgb(33, 135, 118).
Aa
Black text reads best on this color (4.79:1).
About this color
#218776 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.094 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.030 away. Black text reads best on it, at 4.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.79:1 |
| White text | 4.38:1 |
Values
| HEX | #218776 |
| RGB | rgb(33, 135, 118) |
| HSL | hsl(170, 61%, 33%) |
| OKLCH | oklch(56.3% 0.094 178.8) |
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 #218776 | 4.38:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #218776 | 4.79:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #218776 text on white | 4.38:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #218776 text on black | 4.79:1 | AA | Lc -31.7 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#CADED9
oklch(88.4% 0.022 179.1)
-
Step 300
300
#A4CAC1
oklch(80.9% 0.042 179.2)
-
Step 400
400
#71AFA1
oklch(70.8% 0.068 178.4)
-
Step 500
500
#469B8A
oklch(63.2% 0.087 178.3)
-
Step 600
600 (this color)
#218776
oklch(56.3% 0.094 178.8)
-
Step 700
700
#0B7161
oklch(49.2% 0.088 178)
-
Step 800
800
#115C4F
oklch(42.8% 0.073 177.9)
-
Step 900
900
#194B42
oklch(37.6% 0.056 179.2)
-
Step 950
950
#102C27
oklch(27% 0.035 180.2)
#218776 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) | #817E75 | 0.099 |
| Deuteranopia (no green cones) | #737477 | 0.094 |
| Tritanopia (no blue cones) | #008982 | 0.018 |
| Achromatopsia (no color) | #797979 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #218776
#218776
oklch(56.3% 0.094 178.8)
- #A15D74
#A15D74
oklch(56.2% 0.093 358.8)
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 #218776, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.030
- Teal #008080 ΔE 0.033
- Viridian #1E9167 ΔE 0.044
- Bluegreen #017A79 ΔE 0.045
- Dusty Teal #4C9085 ΔE 0.048
- Sea Green #2E8B57 ΔE 0.051
- Teal Green #0A9396 ΔE 0.051
- Deep Aqua #08787F ΔE 0.055
Use #218776 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.