#217E98
Closest named color: Ocean (#017B92). oklch(55.2% 0.092 221.3), rgb(33, 126, 152).
Aa
White text reads best on this color (4.66:1).
About this color
#217E98 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.092 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.017 away. White text reads best on it, at 4.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #217E98 |
| RGB | rgb(33, 126, 152) |
| HSL | hsl(193, 64%, 36%) |
| OKLCH | oklch(55.2% 0.092 221.3) |
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 #217E98 | 4.66:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #217E98 | 4.50:1 | AA | Lc 32.0 | Non-text elements, placeholder text |
| #217E98 text on white | 4.66:1 | AA | Lc 72.0 | Content text, not long reading |
| #217E98 text on black | 4.50:1 | AA | Lc -29.6 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300
#A4C7D4
oklch(80.8% 0.042 222.4)
-
Step 400
400
#71AABE
oklch(70.6% 0.066 222.1)
-
Step 500
500
#4895AE
oklch(63.1% 0.084 221.9)
-
Step 600
600 (this color)
#217E98
oklch(55.2% 0.092 221.3)
-
Step 700
700
#126B83
oklch(49.1% 0.085 221.7)
-
Step 800
800
#15576A
oklch(42.6% 0.07 221.8)
-
Step 900
900
#1A4856
oklch(37.7% 0.055 221.2)
-
Step 950
950
#112A32
oklch(26.9% 0.034 221.3)
#217E98 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) | #6F7B99 | 0.075 |
| Deuteranopia (no green cones) | #5F6F98 | 0.067 |
| Tritanopia (no blue cones) | #008686 | 0.044 |
| Achromatopsia (no color) | #747474 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #217E98
#217E98
oklch(55.2% 0.092 221.3)
- #9F5F47
#9F5F47
oklch(55.2% 0.091 41.2)
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 #217E98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.017
- Teal Blue #01889F ΔE 0.029
- Cerulean #457B9D ΔE 0.029
- Sea Blue #047495 ΔE 0.033
- Stormy Blue #507B9C ΔE 0.039
- Dull Blue #49759C ΔE 0.040
- Deep Aqua #08787F ΔE 0.043
- Nice Blue #107AB0 ΔE 0.043
Use #217E98 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.