#000F28
Closest named color: Rich Navy (#001219). oklch(17.2% 0.058 255.5), rgb(0, 15, 40).
Aa
White text reads best on this color (19.10:1).
About this color
#000F28 is a very dark, muted blue. In OKLCH its lightness is 17%, its chroma 0.058 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.036 away. White text reads best on it, at 19.10:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.09:1 |
| White text | 19.10:1 |
Values
| HEX | #000F28 |
| RGB | rgb(0, 15, 40) |
| HSL | hsl(218, 100%, 8%) |
| OKLCH | oklch(17.2% 0.058 255.5) |
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 #000F28 | 19.10:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #000F28 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #000F28 text on white | 19.10:1 | AAA | Lc 105.3 | Preferred for body text |
| #000F28 text on black | 1.09:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF2
oklch(88.5% 0.037 254.6)
-
Step 300
300
#A4C3ED
oklch(80.9% 0.069 256.1)
-
Step 400
400
#72A3E4
oklch(70.7% 0.109 255.8)
-
Step 500
500
#4B8BDC
oklch(63.2% 0.139 255.3)
-
Step 600
600
#2C73C9
oklch(55.6% 0.151 255.4)
-
Step 700
700
#1E60AE
oklch(49.1% 0.14 255.3)
-
Step 800
800
#1B4F8D
oklch(42.8% 0.116 255.1)
-
Step 900
900
#1D4271
oklch(37.8% 0.091 255.6)
-
Step 950
950 (this color)
#000F28
oklch(17.2% 0.058 255.5)
#000F28 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) | #021229 | 0.012 |
| Deuteranopia (no green cones) | #000E28 | 0.003 |
| Tritanopia (no blue cones) | #001519 | 0.043 |
| Achromatopsia (no color) | #0F0F0F | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #000F28
#000F28
oklch(17.2% 0.058 255.5)
- #190D00
#190D00
oklch(17.2% 0.036 74.5)
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 #000F28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.036
- Dark Navy #000435 ΔE 0.041
- Dark Navy Blue #00022E ΔE 0.045
- Midnight #03012D ΔE 0.046
- Very Dark Blue #000133 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.051
- Almost Black #070D0D ΔE 0.057
- Navy Blue #001146 ΔE 0.060
Use #000F28 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.