#066A4E
Closest named color: Dark Green Blue (#1F6357). oklch(46.6% 0.094 166.6), rgb(6, 106, 78).
Aa
White text reads best on this color (6.60:1).
About this color
#066A4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 47%, its chroma 0.094 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.032 away. White text reads best on it, at 6.60:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.17:1 |
| White text | 6.60:1 |
Values
| HEX | #066A4E |
| RGB | rgb(6, 106, 78) |
| HSL | hsl(163, 89%, 22%) |
| OKLCH | oklch(46.6% 0.094 166.6) |
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 #066A4E | 6.60:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #066A4E | 3.17:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #066A4E text on white | 6.60:1 | AA | Lc 82.2 | Fine for body text |
| #066A4E text on black | 3.17:1 | AA large text | Lc -19.7 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD5
oklch(88.5% 0.026 165.6)
-
Step 300
300
#A6CABA
oklch(80.8% 0.044 166.5)
-
Step 400
400
#73AF97
oklch(70.6% 0.072 167.2)
-
Step 500
500
#4A9B7D
oklch(63% 0.093 166.8)
-
Step 600
600
#268666
oklch(55.6% 0.101 166.4)
-
Step 700
700 (this color)
#066A4E
oklch(46.6% 0.094 166.6)
-
Step 800
800
#175C46
oklch(42.6% 0.077 167.3)
-
Step 900
900
#1B4C3A
oklch(37.7% 0.062 165.9)
-
Step 950
950
#122C22
oklch(26.9% 0.038 166.4)
#066A4E 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) | #67624C | 0.093 |
| Deuteranopia (no green cones) | #5C5950 | 0.091 |
| Tritanopia (no blue cones) | #006A62 | 0.032 |
| Achromatopsia (no color) | #5D5D5D | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066A4E
#066A4E
oklch(46.6% 0.094 166.6)
- #7F4264
#7F4264
oklch(46.6% 0.095 346.8)
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 #066A4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.032
- Spruce #0A5F38 ΔE 0.041
- Pine #2B5D34 ΔE 0.046
- Dark Aqua #05696B ΔE 0.048
- Dark Aquamarine #017371 ΔE 0.055
- Deep Turquoise #017374 ΔE 0.059
- Petrol #005F6A ΔE 0.067
- Camo Green #526525 ΔE 0.069
Use #066A4E 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.