#184081
Closest named color: Twilight Blue (#0A437A). oklch(38.3% 0.119 259.8), rgb(24, 64, 129).
Aa
White text reads best on this color (10.05:1).
About this color
#184081 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.119 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.017 away. White text reads best on it, at 10.05:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #184081 |
| RGB | rgb(24, 64, 129) |
| HSL | hsl(217, 69%, 30%) |
| OKLCH | oklch(38.3% 0.119 259.8) |
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 #184081 | 10.05:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #184081 | 2.08:1 | Fails | Lc 11.0 | Not readable |
| #184081 text on white | 10.05:1 | AAA | Lc 92.9 | Preferred for body text |
| #184081 text on black | 2.08:1 | Fails | Lc -9.5 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DAFB
oklch(88.4% 0.051 260.4)
-
Step 300
300
#9FC2FB
oklch(80.9% 0.09 260)
-
Step 400
400
#6AA0F8
oklch(70.7% 0.142 259.7)
-
Step 500
500
#4085F5
oklch(63% 0.182 259.7)
-
Step 600
600
#1E6BE4
oklch(55.5% 0.198 259.8)
-
Step 700
700
#1059C6
oklch(49.1% 0.183 259.6)
-
Step 800
800
#1249A0
oklch(42.6% 0.152 259.9)
-
Step 900
900 (this color)
#184081
oklch(38.3% 0.119 259.8)
-
Step 950
950
#0E254A
oklch(26.9% 0.075 259.5)
#184081 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) | #1A4783 | 0.021 |
| Deuteranopia (no green cones) | #003E80 | 0.016 |
| Tritanopia (no blue cones) | #00505A | 0.093 |
| Achromatopsia (no color) | #424242 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184081
#184081
oklch(38.3% 0.119 259.8)
- #593D00
#593D00
oklch(38.2% 0.079 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 #184081, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.017
- Cobalt #1E488F ΔE 0.032
- Light Navy #155084 ΔE 0.047
- Marine Blue #01386A ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.058
- Dusk Blue #26538D ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.064
- Blueberry #464196 ΔE 0.068
Use #184081 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.