#090F18
Closest named color: Rich Navy (#001219). oklch(16.7% 0.021 258.2), rgb(9, 15, 24).
Aa
White text reads best on this color (19.21:1).
About this color
#090F18 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.019 away. White text reads best on it, at 19.21:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.09:1 |
| White text | 19.21:1 |
Values
| HEX | #090F18 |
| RGB | rgb(9, 15, 24) |
| HSL | hsl(216, 45%, 6%) |
| OKLCH | oklch(16.7% 0.021 258.2) |
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 #090F18 | 19.21:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #090F18 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #090F18 text on white | 19.21:1 | AAA | Lc 105.5 | Preferred for body text |
| #090F18 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B7C1D1
oklch(80.8% 0.025 259.8)
-
Step 400
400
#91A2BA
oklch(70.7% 0.04 257)
-
Step 500
500
#768BA9
oklch(63.1% 0.051 257.3)
-
Step 600
600
#5F7594
oklch(55.7% 0.055 257)
-
Step 700
700
#4E627F
oklch(49.2% 0.053 257.6)
-
Step 800
800
#405067
oklch(42.7% 0.043 257.4)
-
Step 900
900
#374254
oklch(37.7% 0.034 260.2)
-
Step 950
950 (this color)
#090F18
oklch(16.7% 0.021 258.2)
#090F18 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) | #0C0F18 | 0.005 |
| Deuteranopia (no green cones) | #0A0E18 | 0.004 |
| Tritanopia (no blue cones) | #051112 | 0.019 |
| Achromatopsia (no color) | #0F0F0F | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #090F18
#090F18
oklch(16.7% 0.021 258.2)
- #140E05
#140E05
oklch(16.8% 0.021 79.4)
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 #090F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.019
- Almost Black #070D0D ΔE 0.024
- Rich Black #0D1B2A ΔE 0.053
- Midnight #03012D ΔE 0.072
- Very Dark Brown #1D0200 ΔE 0.073
- Dark Navy Blue #00022E ΔE 0.073
- Dark Navy #000435 ΔE 0.075
- Very Dark Blue #000133 ΔE 0.080
Use #090F18 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.