#217C76
Closest named color: Bluegreen (#017A79). oklch(53.3% 0.083 188.5), rgb(33, 124, 118).
Aa
White text reads best on this color (4.98:1).
About this color
#217C76 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.083 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.014 away. White text reads best on it, at 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.20:1 |
| White text | 4.98:1 |
Values
| HEX | #217C76 |
| RGB | rgb(33, 124, 118) |
| HSL | hsl(176, 58%, 31%) |
| OKLCH | oklch(53.3% 0.083 188.5) |
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 #217C76 | 4.98:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #217C76 | 4.20:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #217C76 text on white | 4.98:1 | AA | Lc 74.2 | Content text, not long reading |
| #217C76 text on black | 4.20:1 | AA large text | Lc -27.5 | Dividers and decoration only |
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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A6C9C5
oklch(80.9% 0.038 187.9)
-
Step 400
400
#75ADA8
oklch(70.7% 0.059 188.9)
-
Step 500
500
#4D9892
oklch(63% 0.075 188.6)
-
Step 600
600 (this color)
#217C76
oklch(53.3% 0.083 188.5)
-
Step 700
700
#1B6F69
oklch(49.2% 0.077 187.9)
-
Step 800
800
#1A5A56
oklch(42.7% 0.064 189.1)
-
Step 900
900
#1D4A47
oklch(37.7% 0.05 189.4)
-
Step 950
950
#122B29
oklch(26.8% 0.031 188.7)
#217C76 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) | #757576 | 0.088 |
| Deuteranopia (no green cones) | #686B77 | 0.084 |
| Tritanopia (no blue cones) | #007F7A | 0.012 |
| Achromatopsia (no color) | #6F6F6F | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #217C76
#217C76
oklch(53.3% 0.083 188.5)
- #965863
#965863
oklch(53.4% 0.083 8.8)
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 #217C76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.014
- Teal #008080 ΔE 0.017
- Deep Aqua #08787F ΔE 0.024
- Dark Aquamarine #017371 ΔE 0.032
- Deep Turquoise #017374 ΔE 0.032
- Ocean #017B92 ΔE 0.046
- Dark Cyan #008B8B ΔE 0.047
- Dark Aqua #05696B ΔE 0.062
Use #217C76 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.