#000F2F
Closest named color: Dark Navy (#000435). oklch(17.9% 0.069 259), rgb(0, 15, 47).
Aa
White text reads best on this color (18.92:1).
About this color
#000F2F is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.069 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.033 away. White text reads best on it, at 18.92:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.10:1 |
| White text | 18.92:1 |
Values
| HEX | #000F2F |
| RGB | rgb(0, 15, 47) |
| HSL | hsl(221, 100%, 9%) |
| OKLCH | oklch(17.9% 0.069 259) |
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 #000F2F | 18.92:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #000F2F | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #000F2F text on white | 18.92:1 | AAA | Lc 105.1 | Preferred for body text |
| #000F2F text on black | 1.10:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C7DBF8
oklch(88.6% 0.046 257.6)
-
Step 300
300
#A1C2F6
oklch(80.8% 0.082 259.4)
-
Step 400
400
#6DA1F2
oklch(70.7% 0.132 259)
-
Step 500
500
#4587ED
oklch(63.1% 0.168 258.9)
-
Step 600
600
#256EDB
oklch(55.6% 0.182 258.9)
-
Step 700
700
#175BBE
oklch(49% 0.169 258.9)
-
Step 800
800
#164B9A
oklch(42.7% 0.141 258.9)
-
Step 900
900
#19407A
oklch(37.8% 0.108 258.5)
-
Step 950
950 (this color)
#000F2F
oklch(17.9% 0.069 259)
#000F2F 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) | #001330 | 0.013 |
| Deuteranopia (no green cones) | #000E2E | 0.004 |
| Tritanopia (no blue cones) | #00171C | 0.053 |
| Achromatopsia (no color) | #111111 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #000F2F
#000F2F
oklch(17.9% 0.069 259)
- #1A0F00
#1A0F00
oklch(17.9% 0.037 79)
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 #000F2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.033
- Dark Navy Blue #00022E ΔE 0.042
- Very Dark Blue #000133 ΔE 0.043
- Midnight #03012D ΔE 0.044
- Navy Blue #001146 ΔE 0.046
- Rich Navy #001219 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.052
- Night Blue #040348 ΔE 0.054
Use #000F2F 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.