#218299
Closest named color: Teal Blue (#01889F). oklch(56.3% 0.092 217.9), rgb(33, 130, 153).
Aa
Black text reads best on this color (4.71:1).
About this color
#218299 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.092 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.018 away. Black text reads best on it, at 4.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #218299 |
| RGB | rgb(33, 130, 153) |
| HSL | hsl(192, 65%, 36%) |
| OKLCH | oklch(56.3% 0.092 217.9) |
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 #218299 | 4.45:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #218299 | 4.71:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #218299 text on white | 4.45:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #218299 text on black | 4.71:1 | AA | Lc -31.1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300
#A4C8D2
oklch(81% 0.041 216.5)
-
Step 400
400
#70ABBC
oklch(70.7% 0.066 217.9)
-
Step 500
500
#4596AB
oklch(63.1% 0.084 217.3)
-
Step 600
600 (this color)
#218299
oklch(56.3% 0.092 217.9)
-
Step 700
700
#0B6C81
oklch(49.1% 0.086 218.1)
-
Step 800
800
#115869
oklch(42.7% 0.071 218.4)
-
Step 900
900
#184955
oklch(37.8% 0.055 217)
-
Step 950
950
#102B32
oklch(27.1% 0.035 217.1)
#218299 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) | #737E9A | 0.078 |
| Deuteranopia (no green cones) | #637299 | 0.071 |
| Tritanopia (no blue cones) | #008A89 | 0.041 |
| Achromatopsia (no color) | #777777 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #218299
#218299
oklch(56.3% 0.092 217.9)
- #A3614D
#A3614D
oklch(56.2% 0.092 37.6)
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 #218299, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.018
- Ocean #017B92 ΔE 0.026
- Cerulean #457B9D ΔE 0.033
- Blue NCS #118AB2 ΔE 0.040
- Stormy Blue #507B9C ΔE 0.041
- Dark Cyan #008B8B ΔE 0.041
- Teal #008080 ΔE 0.042
- Sea Blue #047495 ΔE 0.045
Use #218299 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.