#010F1A
Closest named color: Rich Navy (#001219). oklch(16.1% 0.033 239.2), rgb(1, 15, 26).
Aa
White text reads best on this color (19.36:1).
About this color
#010F1A is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.033 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.013 away. White text reads best on it, at 19.36:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.08:1 |
| White text | 19.36:1 |
Values
| HEX | #010F1A |
| RGB | rgb(1, 15, 26) |
| HSL | hsl(206, 93%, 5%) |
| OKLCH | oklch(16.1% 0.033 239.2) |
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 #010F1A | 19.36:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #010F1A | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #010F1A text on white | 19.36:1 | AAA | Lc 105.5 | Preferred for body text |
| #010F1A text on black | 1.08:1 | 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
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE6
oklch(88.4% 0.021 241.4)
-
Step 300
300
#AAC5D8
oklch(80.9% 0.04 238.7)
-
Step 400
400
#7CA7C4
oklch(70.8% 0.063 238.3)
-
Step 500
500
#5990B5
oklch(63% 0.081 239.3)
-
Step 600
600
#3D7AA1
oklch(55.6% 0.088 239.1)
-
Step 700
700
#2F678A
oklch(49.2% 0.081 238.9)
-
Step 800
800
#285470
oklch(42.8% 0.067 239)
-
Step 900
900
#25455B
oklch(37.6% 0.054 240.3)
-
Step 950
950 (this color)
#010F1A
oklch(16.1% 0.033 239.2)
#010F1A 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) | #0A0F1A | 0.018 |
| Deuteranopia (no green cones) | #060C1A | 0.015 |
| Tritanopia (no blue cones) | #001213 | 0.022 |
| Achromatopsia (no color) | #0E0E0E | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010F1A
#010F1A
oklch(16.1% 0.033 239.2)
- #180901
#180901
oklch(16% 0.034 57.9)
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 #010F1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.013
- Almost Black #070D0D ΔE 0.028
- Rich Black #0D1B2A ΔE 0.058
- Dark Navy Blue #00022E ΔE 0.064
- Midnight #03012D ΔE 0.065
- Dark Navy #000435 ΔE 0.067
- Very Dark Blue #000133 ΔE 0.071
- Very Dark Brown #1D0200 ΔE 0.086
Use #010F1A 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.