#02121A
Closest named color: Rich Navy (#001219). oklch(17.2% 0.029 229.5), rgb(2, 18, 26).
Aa
White text reads best on this color (19.02:1).
About this color
#02121A is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.005 away. White text reads best on it, at 19.02:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 19.02:1 |
Values
| HEX | #02121A |
| RGB | rgb(2, 18, 26) |
| HSL | hsl(200, 86%, 5%) |
| OKLCH | oklch(17.2% 0.029 229.5) |
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 #02121A | 19.02:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #02121A | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #02121A text on white | 19.02:1 | AAA | Lc 105.3 | Preferred for body text |
| #02121A 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#AAC5D3
oklch(80.8% 0.035 230.3)
-
Step 400
400
#7DA8BD
oklch(70.8% 0.056 229.5)
-
Step 500
500
#5A92AC
oklch(63.1% 0.071 229.3)
-
Step 600
600
#3D7C98
oklch(55.6% 0.078 229.4)
-
Step 700
700
#2F6882
oklch(49.1% 0.072 230.5)
-
Step 800
800
#285569
oklch(42.7% 0.059 229.4)
-
Step 900
900
#254656
oklch(37.6% 0.047 230.9)
-
Step 950
950 (this color)
#02121A
oklch(17.2% 0.029 229.5)
#02121A 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) | #0E121A | 0.021 |
| Deuteranopia (no green cones) | #0A0F1A | 0.017 |
| Tritanopia (no blue cones) | #001415 | 0.016 |
| Achromatopsia (no color) | #101010 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02121A
#02121A
oklch(17.2% 0.029 229.5)
- #1A0C05
#1A0C05
oklch(17.3% 0.029 49.8)
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 #02121A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.005
- Almost Black #070D0D ΔE 0.029
- Rich Black #0D1B2A ΔE 0.048
- Dark Navy Blue #00022E ΔE 0.073
- Dark Navy #000435 ΔE 0.074
- Midnight #03012D ΔE 0.075
- Very Dark Blue #000133 ΔE 0.080
- Very Dark Brown #1D0200 ΔE 0.085
Use #02121A 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.