#224184
Closest named color: Cobalt (#1E488F). oklch(39.1% 0.119 263.3), rgb(34, 65, 132).
Aa
White text reads best on this color (9.73:1).
About this color
#224184 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.119 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.025 away. White text reads best on it, at 9.73:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.15:1 |
| White text | 9.73:1 |
Values
| HEX | #224184 |
| RGB | rgb(34, 65, 132) |
| HSL | hsl(221, 59%, 33%) |
| OKLCH | oklch(39.1% 0.119 263.3) |
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 #224184 | 9.73:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #224184 | 2.15:1 | Fails | Lc 11.7 | Not readable |
| #224184 text on white | 9.73:1 | AAA | Lc 92.2 | Preferred for body text |
| #224184 text on black | 2.15:1 | Fails | Lc -10.2 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A3C1FB
oklch(81% 0.089 263.3)
-
Step 400
400
#719EF9
oklch(70.7% 0.143 263.3)
-
Step 500
500
#4D83F6
oklch(63.2% 0.182 263.2)
-
Step 600
600
#3169E5
oklch(55.7% 0.198 263.2)
-
Step 700
700
#2556C7
oklch(49.1% 0.184 263.4)
-
Step 800
800
#1F47A1
oklch(42.6% 0.153 263.3)
-
Step 900
900 (this color)
#224184
oklch(39.1% 0.119 263.3)
-
Step 950
950
#12244B
oklch(26.9% 0.076 263.5)
#224184 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) | #1B4986 | 0.022 |
| Deuteranopia (no green cones) | #004083 | 0.022 |
| Tritanopia (no blue cones) | #00515C | 0.095 |
| Achromatopsia (no color) | #444444 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224184
#224184
oklch(39.1% 0.119 263.3)
- #5A4100
#5A4100
oklch(39.2% 0.081 83.7)
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 #224184, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.025
- Twilight Blue #0A437A ΔE 0.025
- Light Navy #155084 ΔE 0.043
- Dusk Blue #26538D ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.056
- Blueberry #464196 ΔE 0.057
- Marine Blue #01386A ΔE 0.059
Use #224184 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.