#09192A
Closest named color: Rich Black (#0D1B2A). oklch(20.9% 0.04 251.5), rgb(9, 25, 42).
Aa
White text reads best on this color (17.73:1).
About this color
#09192A is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.040 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.010 away. White text reads best on it, at 17.73:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.73:1 |
Values
| HEX | #09192A |
| RGB | rgb(9, 25, 42) |
| HSL | hsl(211, 65%, 10%) |
| OKLCH | oklch(20.9% 0.04 251.5) |
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 #09192A | 17.73:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #09192A | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #09192A text on white | 17.73:1 | AAA | Lc 104.4 | Preferred for body text |
| #09192A text on black | 1.18:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEB
oklch(88.6% 0.027 251.7)
-
Step 300
300
#ABC3DF
oklch(80.8% 0.048 252.4)
-
Step 400
400
#7DA4CF
oklch(70.6% 0.076 251.4)
-
Step 500
500
#5C8DC3
oklch(63.1% 0.098 251.8)
-
Step 600
600
#4176AF
oklch(55.5% 0.106 251.8)
-
Step 700
700
#326397
oklch(49.1% 0.099 251.7)
-
Step 800
800
#2A517A
oklch(42.6% 0.082 251.3)
-
Step 900
900
#274362
oklch(37.6% 0.063 252.1)
-
Step 950
950 (this color)
#09192A
oklch(20.9% 0.04 251.5)
#09192A 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) | #121A2B | 0.014 |
| Deuteranopia (no green cones) | #0D172A | 0.008 |
| Tritanopia (no blue cones) | #001D1F | 0.033 |
| Achromatopsia (no color) | #181818 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09192A
#09192A
oklch(20.9% 0.04 251.5)
- #231502
#231502
oklch(21% 0.04 74.2)
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 #09192A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.010
- Rich Navy #001219 ΔE 0.045
- Dark #1B2431 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.060
- Jet #212529 ΔE 0.061
- Navy Blue #001146 ΔE 0.063
- Almost Black #070D0D ΔE 0.067
- Dark Navy #000435 ΔE 0.075
Use #09192A 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.