#01644C
Closest named color: Dark Green Blue (#1F6357). oklch(44.7% 0.089 169.1), rgb(1, 100, 76).
Aa
White text reads best on this color (7.17:1).
About this color
#01644C is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.089 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.024 away. White text reads best on it, at 7.17:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #01644C |
| RGB | rgb(1, 100, 76) |
| HSL | hsl(165, 98%, 20%) |
| OKLCH | oklch(44.7% 0.089 169.1) |
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 #01644C | 7.17:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #01644C | 2.92:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #01644C text on white | 7.17:1 | AAA | Lc 84.4 | Fine for body text |
| #01644C text on black | 2.92:1 | Fails | Lc -17.6 | 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 800.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C8E0D6
oklch(88.6% 0.029 168.7)
-
Step 300
300
#A0CCBB
oklch(80.9% 0.052 169.4)
-
Step 400
400
#69B298
oklch(70.8% 0.083 169.1)
-
Step 500
500
#369E7E
oklch(63.1% 0.107 168.9)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800 (this color)
#01644C
oklch(44.7% 0.089 169.1)
-
Step 900
900
#0D4D3B
oklch(37.6% 0.069 169)
-
Step 950
950
#0B2D23
oklch(26.9% 0.044 170.3)
#01644C 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) | #615C4B | 0.091 |
| Deuteranopia (no green cones) | #56544E | 0.088 |
| Tritanopia (no blue cones) | #00655D | 0.027 |
| Achromatopsia (no color) | #575757 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01644C
#01644C
oklch(44.7% 0.089 169.1)
- #783E5C
#783E5C
oklch(44.6% 0.089 349)
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 #01644C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.024
- Spruce #0A5F38 ΔE 0.030
- Pine #2B5D34 ΔE 0.036
- Dark Aqua #05696B ΔE 0.049
- Petrol #005F6A ΔE 0.057
- Dark Blue Green #005249 ΔE 0.060
- Deep Teal #00555A ΔE 0.062
- Dark Aquamarine #017371 ΔE 0.066
Use #01644C 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.