#184564
Closest named color: Dark Grey Blue (#29465B). oklch(37.5% 0.072 242.4), rgb(24, 69, 100).
Aa
White text reads best on this color (10.12:1).
About this color
#184564 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.072 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.023 away. White text reads best on it, at 10.12:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.07:1 |
| White text | 10.12:1 |
Values
| HEX | #184564 |
| RGB | rgb(24, 69, 100) |
| HSL | hsl(204, 61%, 24%) |
| OKLCH | oklch(37.5% 0.072 242.4) |
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 #184564 | 10.12:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #184564 | 2.07:1 | Fails | Lc 10.7 | Not readable |
| #184564 text on white | 10.12:1 | AAA | Lc 93.3 | Preferred for body text |
| #184564 text on black | 2.07:1 | Fails | Lc -9.2 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A3C6E1
oklch(81% 0.054 241.5)
-
Step 400
400
#6FA7D2
oklch(70.6% 0.086 242.5)
-
Step 500
500
#4591C7
oklch(63.2% 0.111 242.3)
-
Step 600
600
#207AB3
oklch(55.6% 0.12 242.3)
-
Step 700
700
#0F669A
oklch(49% 0.112 242.6)
-
Step 800
800
#13547D
oklch(42.8% 0.092 242.2)
-
Step 900
900 (this color)
#184564
oklch(37.5% 0.072 242.4)
-
Step 950
950
#10293B
oklch(27.1% 0.046 242.4)
#184564 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) | #374665 | 0.035 |
| Deuteranopia (no green cones) | #2C3E63 | 0.027 |
| Tritanopia (no blue cones) | #004D50 | 0.051 |
| Achromatopsia (no color) | #424242 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184564
#184564
oklch(37.5% 0.072 242.4)
- #5C3713
#5C3713
oklch(37.5% 0.072 61.3)
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 #184564, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.023
- Charcoal #264653 ΔE 0.032
- Twilight Blue #0A437A ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.045
- Marine Blue #01386A ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.051
- Midnight Green #073B4C ΔE 0.052
- Dark Teal #014D4E ΔE 0.054
Use #184564 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.