#090F73
Closest named color: Deep Blue (#040273). oklch(27% 0.161 267.1), rgb(9, 15, 115).
Aa
White text reads best on this color (15.81:1).
About this color
#090F73 is a dark, vivid blue. In OKLCH its lightness is 27%, its chroma 0.161 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Blue (#040273), ΔE 0.019 away. White text reads best on it, at 15.81:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Deep Blue (#040273) |
| Black text | 1.32:1 |
| White text | 15.81:1 |
Values
| HEX | #090F73 |
| RGB | rgb(9, 15, 115) |
| HSL | hsl(237, 85%, 24%) |
| OKLCH | oklch(27% 0.161 267.1) |
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 #090F73 | 15.81:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #090F73 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #090F73 text on white | 15.81:1 | AAA | Lc 101.7 | Preferred for body text |
| #090F73 text on black | 1.32:1 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#769BFF
oklch(70.7% 0.152 267.2)
-
Step 500
500
#547EFF
oklch(63.1% 0.197 267)
-
Step 600
600
#355CFF
oklch(55.6% 0.244 267)
-
Step 700
700
#2333FF
oklch(49.1% 0.287 267.1)
-
Step 800
800
#1C00E8
oklch(42.7% 0.287 267.1)
-
Step 900
900
#1600C5
oklch(37.7% 0.254 267.1)
-
Step 950
950 (this color)
#090F73
oklch(27% 0.161 267.1)
#090F73 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) | #002876 | 0.050 |
| Deuteranopia (no green cones) | #001D71 | 0.023 |
| Tritanopia (no blue cones) | #003043 | 0.120 |
| Achromatopsia (no color) | #222222 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #090F73
#090F73
oklch(27% 0.161 267.1)
- #322400
#322400
oklch(27% 0.055 86.6)
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 #090F73, closest first.
No curated palette has a color within ΔE 0.04 of #090F73.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Blue #040273 ΔE 0.019
- Dark Royal Blue #02066F ΔE 0.019
- Navy #000080 ΔE 0.028
- Midnight Blue #191970 ΔE 0.029
- Darkblue #030764 ΔE 0.034
- Dark Blue #00008B ΔE 0.043
- Royal #0C1793 ΔE 0.061
- Dark Indigo #1F0954 ΔE 0.068
Use #090F73 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.