#010E15
Closest named color: Rich Navy (#001219). oklch(15.4% 0.027 228.4), rgb(1, 14, 21).
Aa
White text reads best on this color (19.53:1).
About this color
#010E15 is a very dark close to neutral grey. In OKLCH its lightness is 15%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.016 away. White text reads best on it, at 19.53:1.
| Hue family | Neutrals |
| Lightness | very dark (15%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.07:1 |
| White text | 19.53:1 |
Values
| HEX | #010E15 |
| RGB | rgb(1, 14, 21) |
| HSL | hsl(201, 91%, 4%) |
| OKLCH | oklch(15.4% 0.027 228.4) |
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 #010E15 | 19.53:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #010E15 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #010E15 text on white | 19.53:1 | AAA | Lc 105.6 | Preferred for body text |
| #010E15 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDCE3
oklch(88.6% 0.018 229)
-
Step 300
300
#ACC5D1
oklch(80.9% 0.032 228.3)
-
Step 400
400
#7FA7BA
oklch(70.6% 0.052 228.7)
-
Step 500
500
#5D92A9
oklch(63.2% 0.066 227.3)
-
Step 600
600
#427C95
oklch(55.7% 0.072 228.2)
-
Step 700
700
#33687F
oklch(49.1% 0.067 228.7)
-
Step 800
800
#2B5567
oklch(42.7% 0.056 228.1)
-
Step 900
900
#284654
oklch(37.7% 0.043 229.5)
-
Step 950
950 (this color)
#010E15
oklch(15.4% 0.027 228.4)
#010E15 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) | #0A0E15 | 0.019 |
| Deuteranopia (no green cones) | #070B15 | 0.017 |
| Tritanopia (no blue cones) | #001010 | 0.016 |
| Achromatopsia (no color) | #0C0C0C | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010E15
#010E15
oklch(15.4% 0.027 228.4)
- #150803
#150803
oklch(15.3% 0.028 48.9)
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 #010E15, 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 0.020
- Rich Black #0D1B2A ΔE 0.066
- Dark Navy Blue #00022E ΔE 0.070
- Midnight #03012D ΔE 0.071
- Dark Navy #000435 ΔE 0.075
- Very Dark Blue #000133 ΔE 0.078
- Very Dark Brown #1D0200 ΔE 0.081
Use #010E15 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.