#438D8B
Closest named color: Dusty Teal (#4C9085). oklch(59.6% 0.074 193), rgb(67, 141, 139).
Aa
Black text reads best on this color (5.42:1).
About this color
#438D8B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.074 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.017 away. Black text reads best on it, at 5.42:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #438D8B |
| RGB | rgb(67, 141, 139) |
| HSL | hsl(178, 36%, 41%) |
| OKLCH | oklch(59.6% 0.074 193) |
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 #438D8B | 3.87:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #438D8B | 5.42:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #438D8B text on white | 3.87:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #438D8B text on black | 5.42:1 | AA | Lc -35.6 | 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 500.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CBDEDD
oklch(88.6% 0.02 193)
-
Step 300
300
#A7C8C7
oklch(80.8% 0.035 194.2)
-
Step 400
400
#75ACAA
oklch(70.6% 0.058 193)
-
Step 500
500 (this color)
#438D8B
oklch(59.6% 0.074 193)
-
Step 600
600
#2D8280
oklch(55.6% 0.08 192.9)
-
Step 700
700
#1E6E6C
oklch(49.1% 0.074 192.5)
-
Step 800
800
#1C5A58
oklch(42.8% 0.062 192)
-
Step 900
900
#1E4A49
oklch(37.8% 0.048 193.3)
-
Step 950
950
#132B2A
oklch(26.9% 0.03 192)
#438D8B 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) | #85878B | 0.077 |
| Deuteranopia (no green cones) | #797E8C | 0.072 |
| Tritanopia (no blue cones) | #0D918C | 0.027 |
| Achromatopsia (no color) | #818181 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #438D8B
#438D8B
oklch(59.6% 0.074 193)
- #A66D72
#A66D72
oklch(59.6% 0.073 13.8)
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 #438D8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.017
- Teal Green #0A9396 ΔE 0.029
- Dark Cyan #008B8B ΔE 0.032
- Sea #3C9992 ΔE 0.034
- Blue Green #0F9B8E ΔE 0.044
- Persian Green #2A9D8F ΔE 0.047
- Teal Blue #01889F ΔE 0.048
- Slate Green #658D6D ΔE 0.052
Use #438D8B 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.