#184E7B
Closest named color: Light Navy (#155084). oklch(41.3% 0.094 247.9), rgb(24, 78, 123).
Aa
White text reads best on this color (8.69:1).
About this color
#184E7B is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.094 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.015 away. White text reads best on it, at 8.69:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.41:1 |
| White text | 8.69:1 |
Values
| HEX | #184E7B |
| RGB | rgb(24, 78, 123) |
| HSL | hsl(207, 67%, 29%) |
| OKLCH | oklch(41.3% 0.094 247.9) |
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 #184E7B | 8.69:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #184E7B | 2.41:1 | Fails | Lc 14.5 | Not readable |
| #184E7B text on white | 8.69:1 | AAA | Lc 89.5 | Fine for body text |
| #184E7B text on black | 2.41:1 | Fails | Lc -12.7 | 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
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADBED
oklch(88.4% 0.031 249.7)
-
Step 300
300
#A5C4E3
oklch(80.8% 0.055 248.5)
-
Step 400
400
#74A6D5
oklch(70.8% 0.087 247.6)
-
Step 500
500
#4D8FCA
oklch(63.2% 0.112 247.6)
-
Step 600
600
#2E78B6
oklch(55.7% 0.121 247.5)
-
Step 700
700
#20649D
oklch(49% 0.113 248.2)
-
Step 800
800 (this color)
#184E7B
oklch(41.3% 0.094 247.9)
-
Step 900
900
#1E4466
oklch(37.6% 0.073 248)
-
Step 950
950
#13283C
oklch(27% 0.046 248.8)
#184E7B 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) | #39507D | 0.034 |
| Deuteranopia (no green cones) | #2B477A | 0.024 |
| Tritanopia (no blue cones) | #00595E | 0.069 |
| Achromatopsia (no color) | #4B4B4B | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184E7B
#184E7B
oklch(41.3% 0.094 247.9)
- #6B4000
#6B4000
oklch(41.3% 0.091 67.8)
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 #184E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.015
- Deep Sea Blue #015482 ΔE 0.020
- Dusk Blue #26538D ΔE 0.035
- Twilight Blue #0A437A ΔE 0.036
- Cobalt #1E488F ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.054
- YInMn Blue #415A77 ΔE 0.061
Use #184E7B 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.