#219F9D
Closest named color: Persian Green (#2A9D8F). oklch(63.9% 0.103 193.2), rgb(33, 159, 157).
Aa
Black text reads best on this color (6.51:1).
About this color
#219F9D is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.103 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.020 away. Black text reads best on it, at 6.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.51:1 |
| White text | 3.22:1 |
Values
| HEX | #219F9D |
| RGB | rgb(33, 159, 157) |
| HSL | hsl(179, 66%, 38%) |
| OKLCH | oklch(63.9% 0.103 193.2) |
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 #219F9D | 3.22:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #219F9D | 6.51:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #219F9D text on white | 3.22:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #219F9D text on black | 6.51:1 | AA | Lc -42.7 | 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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C5DFDE
oklch(88.4% 0.028 193.8)
-
Step 300
300
#9BCBC9
oklch(80.8% 0.05 193)
-
Step 400
400
#5FB1AE
oklch(70.8% 0.081 192.4)
-
Step 500
500 (this color)
#219F9D
oklch(63.9% 0.103 193.2)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#052D2C
oklch(27% 0.043 192.4)
#219F9D 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) | #94979D | 0.107 |
| Deuteranopia (no green cones) | #838A9E | 0.100 |
| Tritanopia (no blue cones) | #00A49E | 0.015 |
| Achromatopsia (no color) | #8F8F8F | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #219F9D
#219F9D
oklch(63.9% 0.103 193.2)
- #C1717A
#C1717A
oklch(63.9% 0.101 13.1)
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 #219F9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.020
- Sea #3C9992 ΔE 0.021
- Blue Green #0F9B8E ΔE 0.025
- Teal Green #0A9396 ΔE 0.037
- Cadet Blue #5F9EA0 ΔE 0.043
- Dull Teal #5F9E8F ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.048
Use #219F9D 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.