#538384
Closest named color: Grey Blue (#647D8E). oklch(57.6% 0.052 197.5), rgb(83, 131, 132).
Aa
Black text reads best on this color (4.94:1).
About this color
#538384 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.052 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.034 away. Black text reads best on it, at 4.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #538384 |
| RGB | rgb(83, 131, 132) |
| HSL | hsl(181, 23%, 42%) |
| OKLCH | oklch(57.6% 0.052 197.5) |
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 #538384 | 4.24:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #538384 | 4.94:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #538384 text on white | 4.24:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #538384 text on black | 4.94:1 | AA | Lc -32.4 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDC
oklch(88.5% 0.013 196.9)
-
Step 300
300
#B0C6C6
oklch(81% 0.024 196.7)
-
Step 400
400
#86A8A9
oklch(70.7% 0.037 198.6)
-
Step 500
500
#679394
oklch(63.2% 0.048 197.8)
-
Step 600
600 (this color)
#538384
oklch(57.6% 0.052 197.5)
-
Step 700
700
#3E696A
oklch(49% 0.048 197.6)
-
Step 800
800
#335657
oklch(42.7% 0.041 198.1)
-
Step 900
900
#2D4747
oklch(37.7% 0.032 195.9)
-
Step 950
950
#1B2A2A
oklch(27.2% 0.02 196)
#538384 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) | #7D7F84 | 0.054 |
| Deuteranopia (no green cones) | #747884 | 0.050 |
| Tritanopia (no blue cones) | #3F8683 | 0.020 |
| Achromatopsia (no color) | #7B7B7B | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538384
#538384
oklch(57.6% 0.052 197.5)
- #966D6E
#966D6E
oklch(57.7% 0.052 17.2)
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 #538384, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.034
- Battleship Grey #6B7C85 ΔE 0.034
- Steel Grey #6F828A ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.039
- Slate Gray #708090 ΔE 0.044
- Dark Cyan #008B8B ΔE 0.046
- Battleship Gray #6C757D ΔE 0.047
- Steel #738595 ΔE 0.050
Use #538384 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.