#537481
Closest named color: Metallic Blue (#4F738E). oklch(53.9% 0.043 224.3), rgb(83, 116, 129).
Aa
White text reads best on this color (5.02:1).
About this color
#537481 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.043 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.022 away. White text reads best on it, at 5.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.18:1 |
| White text | 5.02:1 |
Values
| HEX | #537481 |
| RGB | rgb(83, 116, 129) |
| HSL | hsl(197, 22%, 42%) |
| OKLCH | oklch(53.9% 0.043 224.3) |
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 #537481 | 5.02:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #537481 | 4.18:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #537481 text on white | 5.02:1 | AA | Lc 74.7 | Content text, not long reading |
| #537481 text on black | 4.18:1 | AA large text | Lc -27.0 | Dividers and decoration only |
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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDE
oklch(88.5% 0.011 219.6)
-
Step 300
300
#B4C4CA
oklch(81% 0.019 222.2)
-
Step 400
400
#8DA5AF
oklch(70.7% 0.031 224.9)
-
Step 500
500
#708F9B
oklch(63.1% 0.039 223.5)
-
Step 600
600 (this color)
#537481
oklch(53.9% 0.043 224.3)
-
Step 700
700
#486672
oklch(49.2% 0.04 224.7)
-
Step 800
800
#3B535D
oklch(42.7% 0.034 225.6)
-
Step 900
900
#33454C
oklch(37.8% 0.026 223.7)
-
Step 950
950
#1E282C
oklch(26.9% 0.016 224.2)
#537481 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) | #6D7282 | 0.035 |
| Deuteranopia (no green cones) | #666D81 | 0.031 |
| Tritanopia (no blue cones) | #437878 | 0.028 |
| Achromatopsia (no color) | #6F6F6F | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537481
#537481
oklch(53.9% 0.043 224.3)
- #84675A
#84675A
oklch(53.9% 0.042 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 #537481, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.022
- Battleship Gray #6C757D ΔE 0.034
- Grey Blue #647D8E ΔE 0.039
- Battleship Grey #6B7C85 ΔE 0.042
- Stormy Blue #507B9C ΔE 0.042
- Dull Blue #49759C ΔE 0.043
- Cerulean #457B9D ΔE 0.043
- Slate #516572 ΔE 0.045
Use #537481 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.