#456A64
Closest named color: Slate (#516572). oklch(49.4% 0.043 183.2), rgb(69, 106, 100).
Aa
White text reads best on this color (6.00:1).
About this color
#456A64 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.043 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.035 away. White text reads best on it, at 6.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #456A64 |
| RGB | rgb(69, 106, 100) |
| HSL | hsl(170, 21%, 34%) |
| OKLCH | oklch(49.4% 0.043 183.2) |
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 #456A64 | 6.00:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #456A64 | 3.49:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #456A64 text on white | 6.00:1 | AA | Lc 79.9 | Fine for body text |
| #456A64 text on black | 3.49:1 | AA large text | Lc -21.9 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D1DCDA
oklch(88.6% 0.012 184)
-
Step 300
300
#B3C5C2
oklch(80.9% 0.02 184.8)
-
Step 400
400
#8AA8A2
oklch(70.7% 0.034 181.8)
-
Step 500
500
#6D928C
oklch(63.1% 0.042 183.9)
-
Step 600
600
#547D76
oklch(55.7% 0.047 182.7)
-
Step 700
700 (this color)
#456A64
oklch(49.4% 0.043 183.2)
-
Step 800
800
#385651
oklch(42.8% 0.037 183)
-
Step 900
900
#314743
oklch(37.8% 0.028 182.2)
-
Step 950
950
#1D2927
oklch(26.9% 0.017 183.7)
#456A64 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) | #676664 | 0.047 |
| Deuteranopia (no green cones) | #606165 | 0.044 |
| Tritanopia (no blue cones) | #396B68 | 0.013 |
| Achromatopsia (no color) | #636363 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456A64
#456A64
oklch(49.4% 0.043 183.2)
- #77585F
#77585F
oklch(49.5% 0.042 3.7)
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 #456A64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.035
- Dark Aqua #05696B ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.044
- Deep Turquoise #017374 ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.049
- Dim Gray #696969 ΔE 0.051
- Deep Aqua #08787F ΔE 0.056
- Bluegreen #017A79 ΔE 0.056
Use #456A64 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.