#030D19
Closest named color: Rich Navy (#001219). oklch(15.5% 0.031 249.7), rgb(3, 13, 25).
Aa
White text reads best on this color (19.52:1).
About this color
#030D19 is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.031 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.020 away. White text reads best on it, at 19.52:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.07:1 |
| White text | 19.52:1 |
Values
| HEX | #030D19 |
| RGB | rgb(3, 13, 25) |
| HSL | hsl(213, 79%, 5%) |
| OKLCH | oklch(15.5% 0.031 249.7) |
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 #030D19 | 19.52:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #030D19 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #030D19 text on white | 19.52:1 | AAA | Lc 105.7 | Preferred for body text |
| #030D19 text on black | 1.07:1 | 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
#E5EBF1
oklch(93.7% 0.01 247.9)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AFC3D8
oklch(80.9% 0.037 249.6)
-
Step 400
400
#85A4C5
oklch(70.7% 0.059 250.3)
-
Step 500
500
#668DB6
oklch(63.1% 0.076 250.3)
-
Step 600
600
#4C77A2
oklch(55.6% 0.083 249.5)
-
Step 700
700
#3D648B
oklch(49.2% 0.077 249.6)
-
Step 800
800
#335271
oklch(42.9% 0.064 249.5)
-
Step 900
900
#2D445B
oklch(37.8% 0.049 249.2)
-
Step 950
950 (this color)
#030D19
oklch(15.5% 0.031 249.7)
#030D19 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) | #080E1A | 0.012 |
| Deuteranopia (no green cones) | #050B19 | 0.008 |
| Tritanopia (no blue cones) | #001011 | 0.025 |
| Achromatopsia (no color) | #0C0C0C | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #030D19
#030D19
oklch(15.5% 0.031 249.7)
- #150A01
#150A01
oklch(15.7% 0.031 69.3)
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 #030D19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.020
- Almost Black #070D0D ΔE 0.027
- Dark Navy Blue #00022E ΔE 0.061
- Midnight #03012D ΔE 0.061
- Rich Black #0D1B2A ΔE 0.062
- Dark Navy #000435 ΔE 0.066
- Very Dark Blue #000133 ΔE 0.069
- Very Dark Brown #1D0200 ΔE 0.082
Use #030D19 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.