#01101F
Closest named color: Rich Navy (#001219). oklch(16.8% 0.04 246.1), rgb(1, 16, 31).
Aa
White text reads best on this color (19.17:1).
About this color
#01101F is a very dark, muted blue. In OKLCH its lightness is 17%, its chroma 0.040 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.017 away. White text reads best on it, at 19.17:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.09:1 |
| White text | 19.17:1 |
Values
| HEX | #01101F |
| RGB | rgb(1, 16, 31) |
| HSL | hsl(210, 94%, 6%) |
| OKLCH | oklch(16.8% 0.04 246.1) |
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 #01101F | 19.17:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #01101F | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #01101F text on white | 19.17:1 | AAA | Lc 105.4 | Preferred for body text |
| #01101F 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A8C4DE
oklch(80.8% 0.048 246.4)
-
Step 400
400
#79A6CD
oklch(70.7% 0.075 245.3)
-
Step 500
500
#558FC1
oklch(63.1% 0.097 246.1)
-
Step 600
600
#3878AD
oklch(55.5% 0.106 246.3)
-
Step 700
700
#2A6595
oklch(49.1% 0.098 246.3)
-
Step 800
800
#245379
oklch(42.8% 0.081 245.8)
-
Step 900
900
#234561
oklch(37.8% 0.063 245.4)
-
Step 950
950 (this color)
#01101F
oklch(16.8% 0.04 246.1)
#01101F 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) | #091120 | 0.016 |
| Deuteranopia (no green cones) | #050E1F | 0.010 |
| Tritanopia (no blue cones) | #001415 | 0.030 |
| Achromatopsia (no color) | #0F0F0F | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01101F
#01101F
oklch(16.8% 0.04 246.1)
- #1A0B00
#1A0B00
oklch(16.9% 0.038 65.1)
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 #01101F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.017
- Almost Black #070D0D ΔE 0.038
- Rich Black #0D1B2A ΔE 0.050
- Dark Navy Blue #00022E ΔE 0.059
- Dark Navy #000435 ΔE 0.059
- Midnight #03012D ΔE 0.060
- Very Dark Blue #000133 ΔE 0.065
- Navy Blue #001146 ΔE 0.078
Use #01101F 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.