#184168
Closest named color: Twilight Blue (#0A437A). oklch(36.7% 0.081 250.1), rgb(24, 65, 104).
Aa
White text reads best on this color (10.52:1).
About this color
#184168 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.081 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.031 away. White text reads best on it, at 10.52:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.99:1 |
| White text | 10.52:1 |
Values
| HEX | #184168 |
| RGB | rgb(24, 65, 104) |
| HSL | hsl(209, 63%, 25%) |
| OKLCH | oklch(36.7% 0.081 250.1) |
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 #184168 | 10.52:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #184168 | 1.99:1 | Fails | Lc 9.8 | Not readable |
| #184168 text on white | 10.52:1 | AAA | Lc 94.2 | Preferred for body text |
| #184168 text on black | 1.99:1 | Fails | Lc -8.4 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A3C4E7
oklch(80.8% 0.061 250.1)
-
Step 400
400
#71A5DB
oklch(70.7% 0.097 250.2)
-
Step 500
500
#488ED2
oklch(63.2% 0.125 249.8)
-
Step 600
600
#2776BF
oklch(55.5% 0.136 250.4)
-
Step 700
700
#1863A5
oklch(49.1% 0.127 250.3)
-
Step 800
800
#185185
oklch(42.6% 0.104 250.2)
-
Step 900
900 (this color)
#184168
oklch(36.7% 0.081 250.1)
-
Step 950
950
#11283F
oklch(27.1% 0.052 250.3)
#184168 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) | #2F436A | 0.027 |
| Deuteranopia (no green cones) | #243C67 | 0.017 |
| Tritanopia (no blue cones) | #004A4F | 0.061 |
| Achromatopsia (no color) | #3F3F3F | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184168
#184168
oklch(36.7% 0.081 250.1)
- #593600
#593600
oklch(36.7% 0.079 69.9)
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 #184168, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.031
- Marine Blue #01386A ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.035
- Prussian Blue #1D3557 ΔE 0.043
- Charcoal #264653 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.047
- Midnight Green #073B4C ΔE 0.053
- Light Navy #155084 ΔE 0.060
Use #184168 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.