#537880
Closest named color: Metallic Blue (#4F738E). oklch(54.8% 0.043 212.6), rgb(83, 120, 128).
Aa
White text reads best on this color (4.80:1).
About this color
#537880 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.043 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.031 away. White text reads best on it, at 4.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.36:1 |
| White text | 4.80:1 |
Values
| HEX | #537880 |
| RGB | rgb(83, 120, 128) |
| HSL | hsl(191, 21%, 41%) |
| OKLCH | oklch(54.8% 0.043 212.6) |
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 #537880 | 4.80:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #537880 | 4.36:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #537880 text on white | 4.80:1 | AA | Lc 73.3 | Content text, not long reading |
| #537880 text on black | 4.36:1 | AA large text | Lc -28.4 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D1DBDD
oklch(88.4% 0.011 211)
-
Step 300
300
#B3C4C8
oklch(80.9% 0.019 213.4)
-
Step 400
400
#8BA6AC
oklch(70.7% 0.031 212.7)
-
Step 500
500
#6E9098
oklch(63.1% 0.04 213.7)
-
Step 600
600 (this color)
#537880
oklch(54.8% 0.043 212.6)
-
Step 700
700
#45676E
oklch(49.1% 0.041 211.9)
-
Step 800
800
#39545A
oklch(42.7% 0.034 213)
-
Step 900
900
#32454A
oklch(37.6% 0.025 215.7)
-
Step 950
950
#1D292B
oklch(27.1% 0.017 208.8)
#537880 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) | #717581 | 0.040 |
| Deuteranopia (no green cones) | #6A7080 | 0.036 |
| Tritanopia (no blue cones) | #437C7A | 0.024 |
| Achromatopsia (no color) | #727272 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537880
#537880
oklch(54.8% 0.043 212.6)
- #886861
#886861
oklch(54.7% 0.043 32.5)
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 #537880, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.031
- Battleship Gray #6C757D ΔE 0.032
- Grey Blue #647D8E ΔE 0.034
- Battleship Grey #6B7C85 ΔE 0.035
- Stormy Blue #507B9C ΔE 0.043
- Cerulean #457B9D ΔE 0.045
- Dull Blue #49759C ΔE 0.049
- Steel Grey #6F828A ΔE 0.050
Use #537880 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.