#021317
Closest named color: Rich Navy (#001219). oklch(17.3% 0.027 213.4), rgb(2, 19, 23).
Aa
White text reads best on this color (18.95:1).
About this color
#021317 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.008 away. White text reads best on it, at 18.95:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 18.95:1 |
Values
| HEX | #021317 |
| RGB | rgb(2, 19, 23) |
| HSL | hsl(191, 84%, 5%) |
| OKLCH | oklch(17.3% 0.027 213.4) |
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 #021317 | 18.95:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #021317 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #021317 text on white | 18.95:1 | AAA | Lc 105.3 | Preferred for body text |
| #021317 text on black | 1.10:1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ABC6CD
oklch(80.9% 0.031 215.1)
-
Step 400
400
#7CA9B4
oklch(70.6% 0.051 214.5)
-
Step 500
500
#5994A1
oklch(63.1% 0.064 213.3)
-
Step 600
600
#3D7E8C
oklch(55.6% 0.069 213.6)
-
Step 700
700
#2E6A77
oklch(49% 0.065 214)
-
Step 800
800
#275761
oklch(42.8% 0.054 213.2)
-
Step 900
900
#25474F
oklch(37.6% 0.042 214.7)
-
Step 950
950 (this color)
#021317
oklch(17.3% 0.027 213.4)
#021317 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) | #101217 | 0.024 |
| Deuteranopia (no green cones) | #0D0F17 | 0.023 |
| Tritanopia (no blue cones) | #001514 | 0.012 |
| Achromatopsia (no color) | #111111 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021317
#021317
oklch(17.3% 0.027 213.4)
- #1A0C08
#1A0C08
oklch(17.4% 0.026 37.2)
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 #021317, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.008
- Almost Black #070D0D ΔE 0.027
- Rich Black #0D1B2A ΔE 0.050
- Dark Navy Blue #00022E ΔE 0.082
- Dark Navy #000435 ΔE 0.082
- Midnight #03012D ΔE 0.083
- Very Dark Brown #1D0200 ΔE 0.083
- Dark #1B2431 ΔE 0.087
Use #021317 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.