#064351
Closest named color: Midnight Green (#073B4C). oklch(35.5% 0.061 218.4), rgb(6, 67, 81).
Aa
White text reads best on this color (10.88:1).
About this color
#064351 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.061 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.027 away. White text reads best on it, at 10.88:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.92:1 |
| White text | 10.88:1 |
Values
| HEX | #064351 |
| RGB | rgb(6, 67, 81) |
| HSL | hsl(191, 86%, 17%) |
| OKLCH | oklch(35.5% 0.061 218.4) |
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 #064351 | 10.88:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #064351 | 1.92:1 | Fails | Lc 9.1 | Not readable |
| #064351 text on white | 10.88:1 | AAA | Lc 94.8 | Preferred for body text |
| #064351 text on black | 1.92:1 | Fails | Lc -7.8 | Not readable |
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 900.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C7DEE4
oklch(88.5% 0.026 215.2)
-
Step 300
300
#A0C8D5
oklch(80.8% 0.046 219.6)
-
Step 400
400
#69ACBF
oklch(70.7% 0.073 217.9)
-
Step 500
500
#3997AF
oklch(63.1% 0.093 217.9)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900 (this color)
#064351
oklch(35.5% 0.061 218.4)
-
Step 950
950
#0C2B33
oklch(27% 0.039 217.8)
#064351 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) | #3A4152 | 0.052 |
| Deuteranopia (no green cones) | #313A51 | 0.046 |
| Tritanopia (no blue cones) | #004847 | 0.028 |
| Achromatopsia (no color) | #3D3D3D | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #064351
#064351
oklch(35.5% 0.061 218.4)
- #573023
#573023
oklch(35.5% 0.061 39.1)
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 #064351, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.027
- Charcoal #264653 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.028
- Dark Grey Blue #29465B ΔE 0.036
- Dark Teal #014D4E ΔE 0.036
- Onyx #343A40 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.057
Use #064351 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.