#217688
Closest named color: Ocean (#017B92). oklch(52.5% 0.082 215.2), rgb(33, 118, 136).
Aa
White text reads best on this color (5.23:1).
About this color
#217688 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.082 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.019 away. White text reads best on it, at 5.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.01:1 |
| White text | 5.23:1 |
Values
| HEX | #217688 |
| RGB | rgb(33, 118, 136) |
| HSL | hsl(190, 61%, 33%) |
| OKLCH | oklch(52.5% 0.082 215.2) |
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 #217688 | 5.23:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #217688 | 4.01:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #217688 text on white | 5.23:1 | AA | Lc 75.7 | Fine for body text |
| #217688 text on black | 4.01:1 | AA large text | Lc -26.1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A7C7D0
oklch(80.9% 0.037 216.6)
-
Step 400
400
#75AAB8
oklch(70.6% 0.059 216.1)
-
Step 500
500
#4E95A6
oklch(63% 0.076 215.3)
-
Step 600
600 (this color)
#217688
oklch(52.5% 0.082 215.2)
-
Step 700
700
#1E6B7C
oklch(49% 0.077 215.9)
-
Step 800
800
#1C5865
oklch(42.8% 0.064 215)
-
Step 900
900
#1E4852
oklch(37.6% 0.049 215.6)
-
Step 950
950
#132A30
oklch(26.9% 0.031 216.7)
#217688 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) | #697289 | 0.073 |
| Deuteranopia (no green cones) | #5B6888 | 0.065 |
| Tritanopia (no blue cones) | #007D7C | 0.035 |
| Achromatopsia (no color) | #6C6C6C | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #217688
#217688
oklch(52.5% 0.082 215.2)
- #935849
#935849
oklch(52.4% 0.082 35.1)
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 #217688, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.019
- Deep Aqua #08787F ΔE 0.020
- Sea Blue #047495 ΔE 0.025
- Bluegreen #017A79 ΔE 0.033
- Deep Turquoise #017374 ΔE 0.036
- Teal #008080 ΔE 0.038
- Dark Aquamarine #017371 ΔE 0.040
- Ocean Blue #03719C ΔE 0.040
Use #217688 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.