#538498
Closest named color: Grey Blue (#647D8E). oklch(58.6% 0.061 225.9), rgb(83, 132, 152).
Aa
Black text reads best on this color (5.12:1).
About this color
#538498 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.061 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.026 away. Black text reads best on it, at 5.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.12:1 |
| White text | 4.10:1 |
Values
| HEX | #538498 |
| RGB | rgb(83, 132, 152) |
| HSL | hsl(197, 29%, 46%) |
| OKLCH | oklch(58.6% 0.061 225.9) |
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 #538498 | 4.10:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #538498 | 5.12:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #538498 text on white | 4.10:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #538498 text on black | 5.12:1 | AA | Lc -33.6 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300
#AFC5CE
oklch(81% 0.027 224.3)
-
Step 400
400
#84A7B6
oklch(70.8% 0.044 225.9)
-
Step 500
500
#6491A4
oklch(63.1% 0.057 226.2)
-
Step 600
600 (this color)
#538498
oklch(58.6% 0.061 225.9)
-
Step 700
700
#3B6879
oklch(49.2% 0.056 224.4)
-
Step 800
800
#315463
oklch(42.6% 0.048 227.3)
-
Step 900
900
#2C4651
oklch(37.8% 0.037 226.5)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#538498 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) | #798299 | 0.047 |
| Deuteranopia (no green cones) | #6F7A98 | 0.042 |
| Tritanopia (no blue cones) | #348A8A | 0.042 |
| Achromatopsia (no color) | #7D7D7D | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538498
#538498
oklch(58.6% 0.061 225.9)
- #9B715E
#9B715E
oklch(58.6% 0.061 45.4)
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 #538498, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.026
- Stormy Blue #507B9C ΔE 0.030
- Dusty Blue #5A86AD ΔE 0.034
- Cerulean #457B9D ΔE 0.035
- Slate Gray #708090 ΔE 0.035
- Off Blue #5684AE ΔE 0.035
- Steel Grey #6F828A ΔE 0.037
- Battleship Grey #6B7C85 ΔE 0.038
Use #538498 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.