#030B2D
Closest named color: Dark Navy (#000435). oklch(16.9% 0.07 265.8), rgb(3, 11, 45).
Aa
White text reads best on this color (19.27:1).
About this color
#030B2D is a very dark, moderately saturated blue. In OKLCH its lightness is 17%, its chroma 0.070 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.027 away. White text reads best on it, at 19.27:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.08:1 |
| White text | 19.27:1 |
Values
| HEX | #030B2D |
| RGB | rgb(3, 11, 45) |
| HSL | hsl(229, 88%, 9%) |
| OKLCH | oklch(16.9% 0.07 265.8) |
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 #030B2D | 19.27:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #030B2D | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #030B2D text on white | 19.27:1 | AAA | Lc 105.4 | Preferred for body text |
| #030B2D text on black | 1.08:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9F9
oklch(88.5% 0.047 266.7)
-
Step 300
300
#A7C0F7
oklch(80.9% 0.083 265.6)
-
Step 400
400
#799DF3
oklch(70.6% 0.133 265.9)
-
Step 500
500
#5882EF
oklch(63% 0.17 265.9)
-
Step 600
600
#3F69DD
oklch(55.6% 0.184 265.7)
-
Step 700
700
#3256C0
oklch(49% 0.171 266)
-
Step 800
800
#29479B
oklch(42.6% 0.142 265.8)
-
Step 900
900
#253D7C
oklch(37.8% 0.111 265.7)
-
Step 950
950 (this color)
#030B2D
oklch(16.9% 0.07 265.8)
#030B2D 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) | #00102E | 0.015 |
| Deuteranopia (no green cones) | #000C2C | 0.007 |
| Tritanopia (no blue cones) | #00141A | 0.055 |
| Achromatopsia (no color) | #0E0E0E | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #030B2D
#030B2D
oklch(16.9% 0.07 265.8)
- #160E00
#160E00
oklch(17% 0.035 86.2)
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 #030B2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.027
- Dark Navy Blue #00022E ΔE 0.033
- Midnight #03012D ΔE 0.033
- Very Dark Blue #000133 ΔE 0.035
- Rich Navy #001219 ΔE 0.052
- Navy Blue #001146 ΔE 0.052
- Night Blue #040348 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.061
Use #030B2D 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.