#0F1335
Closest named color: Rich Black (#0D1B2A). oklch(20.6% 0.066 274), rgb(15, 19, 53).
Aa
White text reads best on this color (18.02:1).
About this color
#0F1335 is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.066 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.038 away. White text reads best on it, at 18.02:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.02:1 |
Values
| HEX | #0F1335 |
| RGB | rgb(15, 19, 53) |
| HSL | hsl(234, 56%, 13%) |
| OKLCH | oklch(20.6% 0.066 274) |
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 #0F1335 | 18.02:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #0F1335 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #0F1335 text on white | 18.02:1 | AAA | Lc 104.6 | Preferred for body text |
| #0F1335 text on black | 1.16:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D8F7
oklch(88.6% 0.044 274)
-
Step 300
300
#B0BEF4
oklch(81% 0.078 273.3)
-
Step 400
400
#899AEE
oklch(70.8% 0.124 274.1)
-
Step 500
500
#6D7EE9
oklch(63.1% 0.161 274.1)
-
Step 600
600
#5765D7
oklch(55.7% 0.174 274.1)
-
Step 700
700
#4753BA
oklch(49.1% 0.161 273.9)
-
Step 800
800
#3A4497
oklch(42.6% 0.135 274)
-
Step 900
900
#313B78
oklch(37.8% 0.104 273.4)
-
Step 950
950 (this color)
#0F1335
oklch(20.6% 0.066 274)
#0F1335 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) | #011836 | 0.023 |
| Deuteranopia (no green cones) | #001534 | 0.022 |
| Tritanopia (no blue cones) | #001B21 | 0.057 |
| Achromatopsia (no color) | #161616 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F1335
#0F1335
oklch(20.6% 0.066 274)
- #1E1700
#1E1700
oklch(20.7% 0.042 94.1)
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 #0F1335, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.038
- Navy Blue #001146 ΔE 0.040
- Night Blue #040348 ΔE 0.057
- Dark Navy #000435 ΔE 0.057
- Rich Navy #001219 ΔE 0.065
- Dark #1B2431 ΔE 0.065
- Midnight Purple #280137 ΔE 0.066
- Dark Indigo #1F0954 ΔE 0.067
Use #0F1335 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.