#184D74
Closest named color: Light Navy (#155084). oklch(40.6% 0.085 244.8), rgb(24, 77, 116).
Aa
White text reads best on this color (8.92:1).
About this color
#184D74 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.085 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.027 away. White text reads best on it, at 8.92:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #184D74 |
| RGB | rgb(24, 77, 116) |
| HSL | hsl(205, 66%, 27%) |
| OKLCH | oklch(40.6% 0.085 244.8) |
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 #184D74 | 8.92:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #184D74 | 2.35:1 | Fails | Lc 13.8 | Not readable |
| #184D74 text on white | 8.92:1 | AAA | Lc 90.2 | Preferred for body text |
| #184D74 text on black | 2.35:1 | Fails | Lc -12.1 | 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 800.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDCEB
oklch(88.6% 0.028 244.7)
-
Step 300
300
#A6C5DF
oklch(80.9% 0.05 243.7)
-
Step 400
400
#76A6CF
oklch(70.7% 0.079 245)
-
Step 500
500
#5090C3
oklch(63.2% 0.102 244.5)
-
Step 600
600
#3179B0
oklch(55.7% 0.111 245)
-
Step 700
700
#226697
oklch(49.2% 0.103 244.3)
-
Step 800
800 (this color)
#184D74
oklch(40.6% 0.085 244.8)
-
Step 900
900
#1F4562
oklch(37.7% 0.066 243.9)
-
Step 950
950
#13283A
oklch(26.9% 0.043 246.2)
#184D74 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) | #3B4E76 | 0.037 |
| Deuteranopia (no green cones) | #2E4673 | 0.027 |
| Tritanopia (no blue cones) | #00565B | 0.059 |
| Achromatopsia (no color) | #4A4A4A | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184D74
#184D74
oklch(40.6% 0.085 244.8)
- #683E0A
#683E0A
oklch(40.5% 0.085 65.1)
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 #184D74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.027
- Deep Sea Blue #015482 ΔE 0.028
- Twilight Blue #0A437A ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.043
- Dusk Blue #26538D ΔE 0.046
- Cobalt #1E488F ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.054
- Charcoal #264653 ΔE 0.055
Use #184D74 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.