#002017
Closest named color: Rich Black (#0D1B2A). oklch(21.7% 0.043 170.7), rgb(0, 32, 23).
Aa
White text reads best on this color (17.22:1).
About this color
#002017 is a very dark, muted teal or cyan. In OKLCH its lightness is 22%, its chroma 0.043 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.051 away. White text reads best on it, at 17.22:1.
| Hue family | Teals and cyans |
| Lightness | very dark (22%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.22:1 |
Values
| HEX | #002017 |
| RGB | rgb(0, 32, 23) |
| HSL | hsl(163, 100%, 6%) |
| OKLCH | oklch(21.7% 0.043 170.7) |
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 #002017 | 17.22:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #002017 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #002017 text on white | 17.22:1 | AAA | Lc 103.9 | Preferred for body text |
| #002017 text on black | 1.21:1 | Fails | Lc 0.0 | 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 950.
-
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
#C8DFD6
oklch(88.4% 0.027 170.2)
-
Step 300
300
#A1CCBC
oklch(81% 0.051 170.3)
-
Step 400
400
#6AB199
oklch(70.7% 0.081 170.3)
-
Step 500
500
#399D81
oklch(63% 0.102 171.1)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#0F4D3C
oklch(37.7% 0.068 170)
-
Step 950
950 (this color)
#002017
oklch(21.7% 0.043 170.7)
#002017 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) | #1F1D17 | 0.044 |
| Deuteranopia (no green cones) | #1A1A18 | 0.041 |
| Tritanopia (no blue cones) | #00201D | 0.012 |
| Achromatopsia (no color) | #1B1B1B | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #002017
#002017
oklch(21.7% 0.043 170.7)
- #28111C
#28111C
oklch(21.6% 0.042 351.1)
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 #002017, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.051
- Rich Navy #001219 ΔE 0.059
- Jet #212529 ΔE 0.062
- Dark Forest Green #002D04 ΔE 0.064
- Dark #1B2431 ΔE 0.064
- Very Dark Green #062E03 ΔE 0.068
- Almost Black #070D0D ΔE 0.073
- Oxford Blue #1B263B ΔE 0.081
Use #002017 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.