#53717A
Closest named color: Metallic Blue (#4F738E). oklch(52.9% 0.037 218.2), rgb(83, 113, 122).
Aa
White text reads best on this color (5.23:1).
About this color
#53717A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.037 and its hue 218°. 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 5.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.01:1 |
| White text | 5.23:1 |
Values
| HEX | #53717A |
| RGB | rgb(83, 113, 122) |
| HSL | hsl(194, 19%, 40%) |
| OKLCH | oklch(52.9% 0.037 218.2) |
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 #53717A | 5.23:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #53717A | 4.01:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #53717A text on white | 5.23:1 | AA | Lc 76.0 | Fine for body text |
| #53717A text on black | 4.01:1 | AA large text | Lc -25.8 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D3DBDD
oklch(88.6% 0.009 214.3)
-
Step 300
300
#B5C3C8
oklch(80.8% 0.017 221.1)
-
Step 400
400
#8FA5AC
oklch(70.7% 0.027 218.9)
-
Step 500
500
#738F98
oklch(63.2% 0.034 219.3)
-
Step 600
600 (this color)
#53717A
oklch(52.9% 0.037 218.2)
-
Step 700
700
#4A666E
oklch(49.1% 0.035 217.3)
-
Step 800
800
#3D535A
oklch(42.7% 0.029 219.4)
-
Step 900
900
#34454A
oklch(37.8% 0.023 217.7)
-
Step 950
950
#1F282B
oklch(26.9% 0.014 220.1)
#53717A 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) | #6B6F7B | 0.033 |
| Deuteranopia (no green cones) | #656A7A | 0.030 |
| Tritanopia (no blue cones) | #467474 | 0.022 |
| Achromatopsia (no color) | #6C6C6C | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53717A
#53717A
oklch(52.9% 0.037 218.2)
- #7F645C
#7F645C
oklch(52.8% 0.037 37.1)
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 #53717A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.031
- Slate #516572 ΔE 0.036
- Battleship Gray #6C757D ΔE 0.037
- Dim Gray #696969 ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.049
- Grey Blue #647D8E ΔE 0.049
- Dull Blue #49759C ΔE 0.052
- Deep Aqua #08787F ΔE 0.053
Use #53717A 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.