#456D73
Closest named color: Slate (#516572). oklch(50.7% 0.046 207.8), rgb(69, 109, 115).
Aa
White text reads best on this color (5.69:1).
About this color
#456D73 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.046 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.027 away. White text reads best on it, at 5.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #456D73 |
| RGB | rgb(69, 109, 115) |
| HSL | hsl(188, 25%, 36%) |
| OKLCH | oklch(50.7% 0.046 207.8) |
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 #456D73 | 5.69:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #456D73 | 3.68:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #456D73 text on white | 5.69:1 | AA | Lc 78.4 | Fine for body text |
| #456D73 text on black | 3.68:1 | AA large text | Lc -23.4 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DCDD
oklch(88.6% 0.013 202.9)
-
Step 300
300
#B1C5C8
oklch(80.9% 0.022 207.6)
-
Step 400
400
#88A7AC
oklch(70.7% 0.035 208.4)
-
Step 500
500
#699298
oklch(63.2% 0.046 207.4)
-
Step 600
600
#507C82
oklch(55.7% 0.049 206.7)
-
Step 700
700 (this color)
#456D73
oklch(50.7% 0.046 207.8)
-
Step 800
800
#35555A
oklch(42.7% 0.038 208.3)
-
Step 900
900
#2F464A
oklch(37.7% 0.029 209.5)
-
Step 950
950
#1C292B
oklch(27% 0.018 207.9)
#456D73 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) | #676A73 | 0.045 |
| Deuteranopia (no green cones) | #5F6473 | 0.041 |
| Tritanopia (no blue cones) | #32706F | 0.022 |
| Achromatopsia (no color) | #676767 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456D73
#456D73
oklch(50.7% 0.046 207.8)
- #7E5C57
#7E5C57
oklch(50.9% 0.046 28.2)
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 #456D73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.027
- Deep Turquoise #017374 ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.044
- Deep Aqua #08787F ΔE 0.044
- Metallic Blue #4F738E ΔE 0.046
- Dim Gray #696969 ΔE 0.048
- Bluegreen #017A79 ΔE 0.049
- Dark Aqua #05696B ΔE 0.049
Use #456D73 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.