#09447A
Closest named color: Twilight Blue (#0A437A). oklch(38.3% 0.107 251.9), rgb(9, 68, 122).
Aa
White text reads best on this color (9.90:1).
About this color
#09447A is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.107 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.003 away. White text reads best on it, at 9.90:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.11:1 |
| White text | 9.90:1 |
Values
| HEX | #09447A |
| RGB | rgb(9, 68, 122) |
| HSL | hsl(209, 86%, 26%) |
| OKLCH | oklch(38.3% 0.107 251.9) |
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 #09447A | 9.90:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #09447A | 2.11:1 | Fails | Lc 11.4 | Not readable |
| #09447A text on white | 9.90:1 | AAA | Lc 92.5 | Preferred for body text |
| #09447A text on black | 2.11:1 | Fails | Lc -9.9 | 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 900.
-
Step 50
50
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C4DCF7
oklch(88.5% 0.045 251.4)
-
Step 300
300
#9BC5F4
oklch(81% 0.08 251.6)
-
Step 400
400
#61A5EE
oklch(70.8% 0.128 251.6)
-
Step 500
500
#2C8CE9
oklch(63.2% 0.165 251.8)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#004F92
oklch(42.6% 0.129 252.3)
-
Step 900
900 (this color)
#09447A
oklch(38.3% 0.107 251.9)
-
Step 950
950
#082746
oklch(26.9% 0.068 251.9)
#09447A 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) | #28487C | 0.028 |
| Deuteranopia (no green cones) | #133E79 | 0.017 |
| Tritanopia (no blue cones) | #005159 | 0.078 |
| Achromatopsia (no color) | #434343 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09447A
#09447A
oklch(38.3% 0.107 251.9)
- #5E3B00
#5E3B00
oklch(38.4% 0.082 72.1)
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 #09447A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.003
- Light Navy #155084 ΔE 0.040
- Cobalt #1E488F ΔE 0.040
- Marine Blue #01386A ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.048
- Dusk Blue #26538D ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.069
Use #09447A 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.