#011428
Closest named color: Rich Navy (#001219). oklch(18.7% 0.049 249.4), rgb(1, 20, 40).
Aa
White text reads best on this color (18.55:1).
About this color
#011428 is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.049 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.031 away. White text reads best on it, at 18.55:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.13:1 |
| White text | 18.55:1 |
Values
| HEX | #011428 |
| RGB | rgb(1, 20, 40) |
| HSL | hsl(211, 95%, 8%) |
| OKLCH | oklch(18.7% 0.049 249.4) |
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 #011428 | 18.55:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #011428 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #011428 text on white | 18.55:1 | AAA | Lc 105.0 | Preferred for body text |
| #011428 text on black | 1.13:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DBEE
oklch(88.4% 0.033 249.6)
-
Step 300
300
#A4C4E5
oklch(80.8% 0.058 249.3)
-
Step 400
400
#72A5D9
oklch(70.6% 0.094 249.7)
-
Step 500
500
#4B8ECE
oklch(63.1% 0.119 249.3)
-
Step 600
600
#2A77BB
oklch(55.6% 0.129 249.1)
-
Step 700
700
#1C64A2
oklch(49.2% 0.121 249.3)
-
Step 800
800
#1A5183
oklch(42.6% 0.101 249.8)
-
Step 900
900
#1C4469
oklch(37.7% 0.078 249.1)
-
Step 950
950 (this color)
#011428
oklch(18.7% 0.049 249.4)
#011428 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) | #0A1529 | 0.015 |
| Deuteranopia (no green cones) | #041128 | 0.011 |
| Tritanopia (no blue cones) | #00191C | 0.035 |
| Achromatopsia (no color) | #131313 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #011428
#011428
oklch(18.7% 0.049 249.4)
- #1F0F00
#1F0F00
oklch(18.7% 0.041 67.8)
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 #011428, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.031
- Rich Black #0D1B2A ΔE 0.033
- Almost Black #070D0D ΔE 0.056
- Dark Navy #000435 ΔE 0.057
- Navy Blue #001146 ΔE 0.060
- Dark Navy Blue #00022E ΔE 0.063
- Midnight #03012D ΔE 0.064
- Very Dark Blue #000133 ΔE 0.065
Use #011428 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.