#45645E
Closest named color: Slate (#516572). oklch(47.7% 0.038 181.3), rgb(69, 100, 94).
Aa
White text reads best on this color (6.48:1).
About this color
#45645E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.038 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.037 away. White text reads best on it, at 6.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.23:1 |
| White text | 6.48:1 |
Values
| HEX | #45645E |
| RGB | rgb(69, 100, 94) |
| HSL | hsl(168, 18%, 33%) |
| OKLCH | oklch(47.7% 0.038 181.3) |
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 #45645E | 6.48:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #45645E | 3.23:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #45645E text on white | 6.48:1 | AA | Lc 82.1 | Fine for body text |
| #45645E text on black | 3.23:1 | AA large text | Lc -19.8 | 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 700.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBD9
oklch(88.4% 0.01 181.4)
-
Step 300
300
#B5C5C1
oklch(81% 0.018 179.2)
-
Step 400
400
#8EA7A2
oklch(70.8% 0.029 182)
-
Step 500
500
#71918B
oklch(63.1% 0.037 182.4)
-
Step 600
600
#597B75
oklch(55.5% 0.04 182.7)
-
Step 700
700 (this color)
#45645E
oklch(47.7% 0.038 181.3)
-
Step 800
800
#3C5550
oklch(42.8% 0.031 181)
-
Step 900
900
#334642
oklch(37.7% 0.025 180.5)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#45645E 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) | #61605E | 0.040 |
| Deuteranopia (no green cones) | #5C5C5F | 0.039 |
| Tritanopia (no blue cones) | #3C6562 | 0.011 |
| Achromatopsia (no color) | #5E5E5E | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45645E
#45645E
oklch(47.7% 0.038 181.3)
- #6F545B
#6F545B
oklch(47.6% 0.037 1.4)
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 #45645E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.040
- Dark Aqua #05696B ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.056
- Deep Turquoise #017374 ΔE 0.057
- Petrol #005F6A ΔE 0.057
- Dim Gray #696969 ΔE 0.058
- YInMn Blue #415A77 ΔE 0.060
Use #45645E 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.