#538F7B
Closest named color: Dusty Teal (#4C9085). oklch(60.3% 0.07 170.5), rgb(83, 143, 123).
Aa
Black text reads best on this color (5.58:1).
About this color
#538F7B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.070 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.015 away. Black text reads best on it, at 5.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.58:1 |
| White text | 3.76:1 |
Values
| HEX | #538F7B |
| RGB | rgb(83, 143, 123) |
| HSL | hsl(160, 27%, 44%) |
| OKLCH | oklch(60.3% 0.07 170.5) |
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 #538F7B | 3.76:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #538F7B | 5.58:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #538F7B text on white | 3.76:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #538F7B text on black | 5.58:1 | AA | Lc -36.6 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD7
oklch(88.4% 0.019 171.4)
-
Step 300
300
#ACC8BD
oklch(80.9% 0.034 169.8)
-
Step 400
400
#7EAC9C
oklch(70.7% 0.055 171.2)
-
Step 500
500 (this color)
#538F7B
oklch(60.3% 0.07 170.5)
-
Step 600
600
#3F826D
oklch(55.6% 0.077 170.6)
-
Step 700
700
#306E5B
oklch(49.1% 0.072 170.6)
-
Step 800
800
#29594A
oklch(42.5% 0.059 170.7)
-
Step 900
900
#264A3E
oklch(37.8% 0.047 170.1)
-
Step 950
950
#172B24
oklch(26.9% 0.029 169.8)
#538F7B 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) | #8C887A | 0.072 |
| Deuteranopia (no green cones) | #82817C | 0.069 |
| Tritanopia (no blue cones) | #419089 | 0.023 |
| Achromatopsia (no color) | #848484 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538F7B
#538F7B
oklch(60.3% 0.07 170.5)
- #A27087
#A27087
oklch(60.4% 0.07 350.2)
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 #538F7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.015
- Slate Green #658D6D ΔE 0.024
- Sea #3C9992 ΔE 0.038
- Ocean Green #3D9973 ΔE 0.039
- Grey Teal #5E9B8A ΔE 0.040
- Persian Green #2A9D8F ΔE 0.045
- Green Grey #77926F ΔE 0.045
- Blue Green #0F9B8E ΔE 0.046
Use #538F7B 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.