#064552
Closest named color: Charcoal (#264653). oklch(36.1% 0.061 216.4), rgb(6, 69, 82).
Aa
White text reads best on this color (10.60:1).
About this color
#064552 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.061 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.025 away. White text reads best on it, at 10.60:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.98:1 |
| White text | 10.60:1 |
Values
| HEX | #064552 |
| RGB | rgb(6, 69, 82) |
| HSL | hsl(190, 86%, 17%) |
| OKLCH | oklch(36.1% 0.061 216.4) |
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 #064552 | 10.60:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #064552 | 1.98:1 | Fails | Lc 9.7 | Not readable |
| #064552 text on white | 10.60:1 | AAA | Lc 94.2 | Preferred for body text |
| #064552 text on black | 1.98:1 | Fails | Lc -8.4 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
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
#A0C9D4
oklch(81% 0.046 215.9)
-
Step 400
400
#68ACBE
oklch(70.6% 0.074 216.6)
-
Step 500
500
#3697AE
oklch(63% 0.094 216.7)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006C80
oklch(49% 0.087 216.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900 (this color)
#064552
oklch(36.1% 0.061 216.4)
-
Step 950
950
#0B2B33
oklch(27% 0.039 217.4)
#064552 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) | #3C4353 | 0.053 |
| Deuteranopia (no green cones) | #333C52 | 0.048 |
| Tritanopia (no blue cones) | #004A49 | 0.027 |
| Achromatopsia (no color) | #3F3F3F | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #064552
#064552
oklch(36.1% 0.061 216.4)
- #593126
#593126
oklch(36.1% 0.062 36.2)
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 #064552, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.025
- Dark Teal #014D4E ΔE 0.030
- Midnight Green #073B4C ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dark Blue Green #005249 ΔE 0.051
- Deep Teal #00555A ΔE 0.052
Use #064552 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.