#16212E
Closest named color: Dark (#1B2431). oklch(24.4% 0.03 253.1), rgb(22, 33, 46).
Aa
White text reads best on this color (16.26:1).
About this color
#16212E is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.014 away. White text reads best on it, at 16.26:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.26:1 |
Values
| HEX | #16212E |
| RGB | rgb(22, 33, 46) |
| HSL | hsl(213, 35%, 13%) |
| OKLCH | oklch(24.4% 0.03 253.1) |
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 #16212E | 16.26:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #16212E | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #16212E text on white | 16.26:1 | AAA | Lc 103.2 | Preferred for body text |
| #16212E text on black | 1.29:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B1C2D7
oklch(80.8% 0.035 253.7)
-
Step 400
400
#88A3C3
oklch(70.6% 0.056 252.9)
-
Step 500
500
#6B8CB4
oklch(63.1% 0.071 253.6)
-
Step 600
600
#5276A0
oklch(55.6% 0.078 252.9)
-
Step 700
700
#426389
oklch(49.1% 0.072 252.7)
-
Step 800
800
#37516F
oklch(42.8% 0.059 252.7)
-
Step 900
900
#30435A
oklch(37.7% 0.047 253.7)
-
Step 950
950 (this color)
#16212E
oklch(24.4% 0.03 253.1)
#16212E 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) | #1C212F | 0.010 |
| Deuteranopia (no green cones) | #191F2E | 0.008 |
| Tritanopia (no blue cones) | #0D2425 | 0.027 |
| Achromatopsia (no color) | #202020 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #16212E
#16212E
oklch(24.4% 0.03 253.1)
- #291E10
#291E10
oklch(24.4% 0.03 72.4)
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 #16212E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.014
- Rich Black #0D1B2A ΔE 0.027
- Jet #212529 ΔE 0.027
- Oxford Blue #1B263B ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.064
- Gunmetal #293241 ΔE 0.072
- Rich Navy #001219 ΔE 0.077
- Navy Blue #001146 ΔE 0.081
Use #16212E 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.