#338378
Closest named color: Teal (#008080). oklch(55.8% 0.08 182.9), rgb(51, 131, 120).
Aa
Black text reads best on this color (4.65:1).
About this color
#338378 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.080 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.027 away. Black text reads best on it, at 4.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.65:1 |
| White text | 4.50:1 |
Values
| HEX | #338378 |
| RGB | rgb(51, 131, 120) |
| HSL | hsl(172, 44%, 36%) |
| OKLCH | oklch(55.8% 0.08 182.9) |
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 #338378 | 4.50:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #338378 | 4.65:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #338378 text on white | 4.50:1 | AA | Lc 71.1 | Content text, not long reading |
| #338378 text on black | 4.65:1 | AA | Lc -30.6 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDEDA
oklch(88.6% 0.02 181.1)
-
Step 300
300
#A8C9C3
oklch(81% 0.036 183.2)
-
Step 400
400
#78ADA4
oklch(70.8% 0.057 182.9)
-
Step 500
500
#52988D
oklch(63.1% 0.073 182.6)
-
Step 600
600 (this color)
#338378
oklch(55.8% 0.08 182.9)
-
Step 700
700
#246E64
oklch(49% 0.074 182.6)
-
Step 800
800
#205A52
oklch(42.7% 0.061 182.8)
-
Step 900
900
#214A44
oklch(37.8% 0.047 183)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#338378 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) | #7D7C78 | 0.084 |
| Deuteranopia (no green cones) | #717379 | 0.080 |
| Tritanopia (no blue cones) | #008580 | 0.020 |
| Achromatopsia (no color) | #777777 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338378
#338378
oklch(55.8% 0.08 182.9)
- #9B606F
#9B606F
oklch(55.8% 0.079 3.5)
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 #338378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.027
- Dark Cyan #008B8B ΔE 0.032
- Bluegreen #017A79 ΔE 0.038
- Deep Aqua #08787F ΔE 0.046
- Dusty Teal #4C9085 ΔE 0.048
- Teal Green #0A9396 ΔE 0.054
- Ocean #017B92 ΔE 0.057
- Dark Aquamarine #017371 ΔE 0.058
Use #338378 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.