#010E19
Closest named color: Rich Navy (#001219). oklch(15.6% 0.033 240.4), rgb(1, 14, 25).
Aa
White text reads best on this color (19.47:1).
About this color
#010E19 is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.033 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.016 away. White text reads best on it, at 19.47:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.07:1 |
| White text | 19.47:1 |
Values
| HEX | #010E19 |
| RGB | rgb(1, 14, 25) |
| HSL | hsl(208, 92%, 5%) |
| OKLCH | oklch(15.6% 0.033 240.4) |
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 #010E19 | 19.47:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #010E19 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #010E19 text on white | 19.47:1 | AAA | Lc 105.6 | Preferred for body text |
| #010E19 text on black | 1.07:1 | 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
#ABC5D8
oklch(81% 0.039 239.7)
-
Step 400
400
#7DA6C4
oklch(70.6% 0.063 240.5)
-
Step 500
500
#5B90B5
oklch(63.1% 0.08 240.2)
-
Step 600
600
#407AA1
oklch(55.7% 0.086 240.2)
-
Step 700
700
#31668A
oklch(49% 0.081 240.8)
-
Step 800
800
#2A5470
oklch(42.8% 0.066 240)
-
Step 900
900
#26455A
oklch(37.6% 0.052 239.7)
-
Step 950
950 (this color)
#010E19
oklch(15.6% 0.033 240.4)
#010E19 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) | #090E19 | 0.017 |
| Deuteranopia (no green cones) | #060B19 | 0.015 |
| Tritanopia (no blue cones) | #001112 | 0.022 |
| Achromatopsia (no color) | #0D0D0D | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010E19
#010E19
oklch(15.6% 0.033 240.4)
- #160901
#160901
oklch(15.7% 0.032 62.3)
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 #010E19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.016
- Almost Black #070D0D ΔE 0.027
- Rich Black #0D1B2A ΔE 0.062
- Dark Navy Blue #00022E ΔE 0.063
- Midnight #03012D ΔE 0.064
- Dark Navy #000435 ΔE 0.067
- Very Dark Blue #000133 ΔE 0.070
- Very Dark Brown #1D0200 ΔE 0.085
Use #010E19 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.