#00664C
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.092 167.8), rgb(0, 102, 76).
Aa
White text reads best on this color (6.98:1).
About this color
#00664C is a medium-dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.092 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.027 away. White text reads best on it, at 6.98:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #00664C |
| RGB | rgb(0, 102, 76) |
| HSL | hsl(165, 100%, 20%) |
| OKLCH | oklch(45.3% 0.092 167.8) |
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 #00664C | 6.98:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #00664C | 3.00:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #00664C text on white | 6.98:1 | AA | Lc 83.7 | Fine for body text |
| #00664C text on black | 3.00:1 | AA large text | Lc -18.3 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C7E0D5
oklch(88.5% 0.03 167.4)
-
Step 300
300
#A0CCBA
oklch(80.9% 0.053 168.1)
-
Step 400
400
#67B296
oklch(70.7% 0.086 167.9)
-
Step 500
500
#349E7C
oklch(63% 0.109 167.8)
-
Step 600
600
#008866
oklch(55.6% 0.113 167.6)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800 (this color)
#00664C
oklch(45.3% 0.092 167.8)
-
Step 900
900
#0B4D3A
oklch(37.6% 0.071 168.1)
-
Step 950
950
#0B2D22
oklch(26.9% 0.044 168.3)
#00664C 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) | #635E4B | 0.092 |
| Deuteranopia (no green cones) | #58564E | 0.089 |
| Tritanopia (no blue cones) | #00675F | 0.030 |
| Achromatopsia (no color) | #595959 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00664C
#00664C
oklch(45.3% 0.092 167.8)
- #7B3F5F
#7B3F5F
oklch(45.3% 0.093 348.2)
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 #00664C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.027
- Spruce #0A5F38 ΔE 0.032
- Pine #2B5D34 ΔE 0.038
- Dark Aqua #05696B ΔE 0.049
- Petrol #005F6A ΔE 0.061
- Dark Aquamarine #017371 ΔE 0.063
- Dark Blue Green #005249 ΔE 0.066
- Deep Turquoise #017374 ΔE 0.066
Use #00664C 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.