#538D90
Closest named color: Dusty Teal (#4C9085). oklch(60.5% 0.061 199.9), rgb(83, 141, 144).
Aa
Black text reads best on this color (5.58:1).
About this color
#538D90 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.061 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.023 away. Black text reads best on it, at 5.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.58:1 |
| White text | 3.76:1 |
Values
| HEX | #538D90 |
| RGB | rgb(83, 141, 144) |
| HSL | hsl(183, 27%, 45%) |
| OKLCH | oklch(60.5% 0.061 199.9) |
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 #538D90 | 3.76:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #538D90 | 5.58:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #538D90 text on white | 3.76:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #538D90 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CDDDDD
oklch(88.6% 0.017 196.8)
-
Step 300
300
#ABC7C8
oklch(80.9% 0.03 199.2)
-
Step 400
400
#7EAAAC
oklch(70.7% 0.047 199.6)
-
Step 500
500 (this color)
#538D90
oklch(60.5% 0.061 199.9)
-
Step 600
600
#3E7F83
oklch(55.6% 0.067 200.8)
-
Step 700
700
#306B6E
oklch(49% 0.061 199.8)
-
Step 800
800
#29585A
oklch(42.8% 0.051 199.1)
-
Step 900
900
#26484A
oklch(37.7% 0.04 200.5)
-
Step 950
950
#172A2B
oklch(26.9% 0.025 200)
#538D90 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) | #858890 | 0.062 |
| Deuteranopia (no green cones) | #7B8090 | 0.058 |
| Tritanopia (no blue cones) | #37918E | 0.026 |
| Achromatopsia (no color) | #848484 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538D90
#538D90
oklch(60.5% 0.061 199.9)
- #A37373
#A37373
oklch(60.4% 0.061 19)
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 #538D90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.023
- Sea #3C9992 ΔE 0.037
- Teal Green #0A9396 ΔE 0.040
- Steel Grey #6F828A ΔE 0.041
- Steel #738595 ΔE 0.045
- Dark Cyan #008B8B ΔE 0.048
- Grey Blue #647D8E ΔE 0.048
- Grey Teal #5E9B8A ΔE 0.048
Use #538D90 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.