#02122C
Closest named color: Rich Black (#0D1B2A). oklch(18.6% 0.058 257.3), rgb(2, 18, 44).
Aa
White text reads best on this color (18.65:1).
About this color
#02122C is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.058 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.039 away. White text reads best on it, at 18.65:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.12:1 |
| White text | 18.65:1 |
Values
| HEX | #02122C |
| RGB | rgb(2, 18, 44) |
| HSL | hsl(217, 91%, 9%) |
| OKLCH | oklch(18.6% 0.058 257.3) |
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 #02122C | 18.65:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #02122C | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #02122C text on white | 18.65:1 | AAA | Lc 105.0 | Preferred for body text |
| #02122C text on black | 1.12:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADBF3
oklch(88.6% 0.038 257)
-
Step 300
300
#A5C3ED
oklch(81% 0.068 256.8)
-
Step 400
400
#74A2E5
oklch(70.7% 0.111 257.7)
-
Step 500
500
#4F8ADD
oklch(63.2% 0.14 257.2)
-
Step 600
600
#3172CB
oklch(55.7% 0.153 257.2)
-
Step 700
700
#235FAF
oklch(49.1% 0.142 257)
-
Step 800
800
#1F4E8E
oklch(42.8% 0.118 257.1)
-
Step 900
900
#1F4171
oklch(37.6% 0.092 257.4)
-
Step 950
950 (this color)
#02122C
oklch(18.6% 0.058 257.3)
#02122C 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) | #04152D | 0.012 |
| Deuteranopia (no green cones) | #00112B | 0.006 |
| Tritanopia (no blue cones) | #00181C | 0.044 |
| Achromatopsia (no color) | #121212 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02122C
#02122C
oklch(18.6% 0.058 257.3)
- #1C1000
#1C1000
oklch(18.5% 0.039 77.5)
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 #02122C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.039
- Rich Navy #001219 ΔE 0.041
- Dark Navy #000435 ΔE 0.046
- Navy Blue #001146 ΔE 0.051
- Dark Navy Blue #00022E ΔE 0.054
- Midnight #03012D ΔE 0.056
- Very Dark Blue #000133 ΔE 0.056
- Almost Black #070D0D ΔE 0.064
Use #02122C 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.