#050F1F
Closest named color: Rich Navy (#001219). oklch(16.8% 0.037 257.8), rgb(5, 15, 31).
Aa
White text reads best on this color (19.18:1).
About this color
#050F1F is a very dark, muted blue. In OKLCH its lightness is 17%, its chroma 0.037 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.022 away. White text reads best on it, at 19.18:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.09:1 |
| White text | 19.18:1 |
Values
| HEX | #050F1F |
| RGB | rgb(5, 15, 31) |
| HSL | hsl(217, 72%, 7%) |
| OKLCH | oklch(16.8% 0.037 257.8) |
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 #050F1F | 19.18:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #050F1F | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #050F1F text on white | 19.18:1 | AAA | Lc 105.5 | Preferred for body text |
| #050F1F 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#AFC2DE
oklch(80.9% 0.045 258)
-
Step 400
400
#85A2CD
oklch(70.6% 0.071 258.1)
-
Step 500
500
#668BC0
oklch(63.1% 0.091 257.4)
-
Step 600
600
#4E74AC
oklch(55.6% 0.098 257.9)
-
Step 700
700
#3E6194
oklch(49% 0.092 257.7)
-
Step 800
800
#345078
oklch(42.8% 0.075 257.3)
-
Step 900
900
#2D4261
oklch(37.6% 0.06 258)
-
Step 950
950 (this color)
#050F1F
oklch(16.8% 0.037 257.8)
#050F1F 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) | #081020 | 0.007 |
| Deuteranopia (no green cones) | #050E1F | 0.004 |
| Tritanopia (no blue cones) | #001315 | 0.031 |
| Achromatopsia (no color) | #0F0F0F | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #050F1F
#050F1F
oklch(16.8% 0.037 257.8)
- #170D00
#170D00
oklch(16.9% 0.035 79.7)
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 #050F1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.022
- Almost Black #070D0D ΔE 0.037
- Rich Black #0D1B2A ΔE 0.050
- Midnight #03012D ΔE 0.058
- Dark Navy Blue #00022E ΔE 0.059
- Dark Navy #000435 ΔE 0.059
- Very Dark Blue #000133 ΔE 0.065
- Navy Blue #001146 ΔE 0.077
Use #050F1F 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.