#217869
Closest named color: Bluegreen (#017A79). oklch(51.8% 0.084 178.7), rgb(33, 120, 105).
Aa
White text reads best on this color (5.30:1).
About this color
#217869 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.084 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.024 away. White text reads best on it, at 5.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #217869 |
| RGB | rgb(33, 120, 105) |
| HSL | hsl(170, 57%, 30%) |
| OKLCH | oklch(51.8% 0.084 178.7) |
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 #217869 | 5.30:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #217869 | 3.95:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #217869 text on white | 5.30:1 | AA | Lc 76.1 | Fine for body text |
| #217869 text on black | 3.95:1 | AA large text | Lc -25.6 | 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 700.
-
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
#A5CAC1
oklch(81% 0.041 178.8)
-
Step 400
400
#73AEA1
oklch(70.6% 0.064 178.9)
-
Step 500
500
#4A9A8A
oklch(63.1% 0.083 178.6)
-
Step 600
600
#258474
oklch(55.5% 0.09 179.1)
-
Step 700
700 (this color)
#217869
oklch(51.8% 0.084 178.7)
-
Step 800
800
#165B4F
oklch(42.6% 0.07 178.5)
-
Step 900
900
#1B4B42
oklch(37.7% 0.054 178.9)
-
Step 950
950
#112C27
oklch(27% 0.035 179.9)
#217869 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) | #737068 | 0.089 |
| Deuteranopia (no green cones) | #67686A | 0.084 |
| Tritanopia (no blue cones) | #007A73 | 0.016 |
| Achromatopsia (no color) | #6B6B6B | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #217869
#217869
oklch(51.8% 0.084 178.7)
- #8F5367
#8F5367
oklch(51.7% 0.084 359)
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 #217869, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.024
- Dark Aquamarine #017371 ΔE 0.026
- Deep Turquoise #017374 ΔE 0.029
- Deep Aqua #08787F ΔE 0.035
- Teal #008080 ΔE 0.036
- Dark Aqua #05696B ΔE 0.052
- Ocean #017B92 ΔE 0.063
- Dark Cyan #008B8B ΔE 0.065
Use #217869 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.